Sequence Database

A database with 497817 machine generated integer and decimal sequences.

Displaying the first 100 results.

Sequence xd20j1kui3ttj

0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-constant, monotonic, +0, A057427

a(n)=ceil(abs(sin(n)))
n≥0
4 operations
N
nS|T
a(n)=a(n-1)!
a(0)=0
n≥0
2 operations
Recursive
r!

Sequence 5as1ecrpxvlwn

1, -1, -1, 1, -1, 1, -1, -1, 1, 1, -1, -1, -1, 1, 1, 1, -1, -1, -1, -1, 1, 1, -1, 1, 1, 1, -1, -1, -1, -1, -1, -1, 1, 1, 1, 1, -1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, more...

integer, non-constant, non-monotonic, +-, A008836

a(n)=λ(n)
λ(n)=Liouville's function
n≥1
2 operations
Prime
a(n)=λ(n+abs(a(n-1)))
a(0)=1
λ(n)=Liouville's function
n≥0
5 operations
PrimeRecursive
nr|+λ

Sequence p5e5o5k2uzas

0, 0.8414709848, 0.9092974268, 0.1411200081, 0.7568024953, 0.9589242747, 0.2794154982, 0.6569865987, 0.9893582466, 0.4121184852, 0.5440211109, 0.9999902066, 0.536572918, 0.4201670368, 0.9906073557, 0.6502878402, 0.2879033167, 0.9613974919, 0.7509872468, 0.1498772097, 0.9129452507, 0.8366556385, 0.0088513093, 0.8462204042, 0.905578362, 0.1323517501, 0.7625584505, 0.9563759284, 0.2709057883, 0.6636338842, 0.9880316241, 0.4040376453, 0.5514266812, 0.9999118601, 0.5290826861, 0.4281826695, 0.9917788534, 0.6435381334, 0.2963685787, 0.9637953863, 0.7451131605, 0.1586226688, 0.9165215479, 0.8317747426, 0.0177019251, 0.8509035245, 0.9017883476, 0.1235731227, 0.7682546613, 0.9537526528, more...

decimal, non-constant, non-monotonic, +0

a(n)=abs(sin(n))
n≥0
3 operations
N
nS|

Sequence iiuahtojsjc1j

0, 1.5574077247, 2.1850398633, 0.1425465431, 1.1578212823, 3.3805150062, 0.2910061914, 0.8714479827, 6.7997114552, 0.4523156594, 0.6483608275, 225.9508464542, 0.6358599287, 0.4630211329, 7.2446066161, 0.8559934009, 0.300632242, 3.4939156455, 1.1373137123, 0.1515894706, 2.2371609442, 1.5274985276, 0.008851656, 1.5881530834, 2.1348966977, 0.133526407, 1.1787535542, 3.2737038004, 0.2814296046, 0.8871428438, 6.4053311966, 0.441695568, 0.6610060415, 75.3130148001, 0.6234989627, 0.4738147204, 7.7504709057, 0.8407712554, 0.310309661, 3.6145544071, 1.1172149309, 0.1606566987, 2.2913879924, 1.4983873389, 0.0177046993, 1.6197751905, 2.0866135311, 0.1245275681, 1.2001272431, 3.1729085522, more...

decimal, non-constant, non-monotonic, +0

a(n)=abs(tan(n))
n≥0
3 operations
N
nW|

Sequence wocvjh2z4dgmj

1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, more...

integer, non-constant, monotonic, +-, A153881

a(n)=abs(n-1)-n
n≥0
6 operations
N
n1-|n-
a(n)=-abs(a(n-1))
a(0)=1
n≥0
3 operations
Recursive
r|~
a(n)=cos(p(n)*π)
p(n)=nth prime
Pi (3.141...)
n≥0
5 operations
Prime
npπ*O

Sequence 3onif5sxnnxan

1, -1, -1, -1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1, -1, 1, 1, 1, -1, -1, -1, 1, 1, 1, -1, -1, -1, 1, 1, 1, 1, 1, -1, 1, 1, -1, -1, -1, -1, 1, 1, 1, -1, 1, -1, 1, more...

integer, non-constant, non-monotonic, +-, A064179

a(n)=λ(τ(n))
τ(n)=number of divisors of n
λ(n)=Liouville's function
n≥1
3 operations
Prime
nτλ
a(n)=λ(τ(n+abs(a(n-1))))
a(0)=1
τ(n)=number of divisors of n
λ(n)=Liouville's function
n≥0
6 operations
PrimeRecursive
nr|+τλ

Sequence peupfizzso1f

1, 0.5403023059, 0.4161468365, 0.9899924966, 0.6536436209, 0.2836621855, 0.9601702867, 0.7539022543, 0.1455000338, 0.9111302619, 0.8390715291, 0.004425698, 0.8438539587, 0.9074467815, 0.1367372182, 0.7596879129, 0.9576594803, 0.2751633381, 0.6603167082, 0.9887046182, 0.4080820618, 0.5477292602, 0.9999608264, 0.5328330203, 0.4241790073, 0.9912028119, 0.6469193223, 0.2921388087, 0.9626058663, 0.7480575297, 0.1542514499, 0.9147423578, 0.8342233605, 0.0132767472, 0.8485702748, 0.9036922051, 0.1279636896, 0.7654140519, 0.955073644, 0.2666429324, 0.6669380617, 0.9873392775, 0.399985315, 0.5551133015, 0.9998433086, 0.5253219888, 0.4321779449, 0.9923354692, 0.6401443395, 0.3005925437, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(cos(n))
n≥0
3 operations
N
nO|

Sequence uh2pnrvfja4tb

1, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, 0.5403023059, more...

decimal, non-constant, monotonic, +

a(n)=cos(ceil(abs(sin(n))))
n≥0
5 operations
N
nS|TO
a(n)=cos(ceil(a(n-1)))
a(0)=1
n≥0
3 operations
Recursive
rTO

Sequence icjp5p0a1lfpj

1, 1, -1, -1, 1, -1, 1, 1, 1, 1, 1, 1, -1, 1, -1, -1, 1, 1, -1, -1, -1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, 1, -1, 1, 1, -1, 1, -1, 1, 1, 1, -1, -1, -1, 1, 1, 1, 1, -1, -1, more...

integer, non-constant, non-monotonic, +-

a(n)=λ(ϕ(n))
ϕ(n)=Euler's totient function
λ(n)=Liouville's function
n≥1
3 operations
Prime
nϕλ
a(n)=λ(ϕ(n+abs(a(n-1))))
a(0)=1
ϕ(n)=Euler's totient function
λ(n)=Liouville's function
n≥0
6 operations
PrimeRecursive
nr|+ϕλ

Sequence umf14qffwfjrm

1, 1, 1, -1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, 1, 1, -1, 1, -1, -1, -1, 1, 1, -1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 1, 1, -1, -1, 1, 1, -1, 1, -1, -1, -1, 1, -1, -1, -1, more...

integer, non-constant, non-monotonic, +-

a(n)=λ(Ω(n))
Ω(n)=max factorization terms
λ(n)=Liouville's function
n≥1
3 operations
Prime
nΩλ
a(n)=λ(Ω(n+abs(a(n-1))))
a(0)=1
Ω(n)=max factorization terms
λ(n)=Liouville's function
n≥0
6 operations
PrimeRecursive
nr|+Ωλ

Sequence 04dsdnlkqak4n

1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, more...

integer, non-constant, non-monotonic, +0, A008966

a(n)=abs(μ(n))
μ(n)=Möbius function
n≥1
3 operations
Prime
nμ|
a(n)=abs(μ(n+λ(a(n-1))))
a(0)=1
λ(n)=Liouville's function
μ(n)=Möbius function
n≥0
6 operations
PrimeRecursive
nrλ+μ|

Sequence ztmfd1yoxoyhn

1, 1.5574077247, 74.6859333988, -0.8635188549, 1.1698563551, 2.3590377342, -0.994329619, 1.5381535569, 30.623773508, -1.0136018143, 1.6050123678, -29.2146517707, 1.3701487455, 4.9167999905, -4.8237768261, -8.9404801577, -0.5260857889, 0.580671062, 0.6561279832, 0.7699191877, 0.9695115437, 1.4576737055, 8.8022251344, -0.7177699669, 0.8731301134, 1.1928808263, 2.5189063581, -0.7179722179, 0.8734866146, 1.1937449837, 2.525267346, -0.7083759388, 0.8567086986, 1.1538533121, 2.2577904353, -1.2190733997, 2.7249276145, -0.4425784376, 0.4739342704, 0.5129252615, 0.5632055447, 0.6314240774, 0.7312981266, 0.8972580163, 1.2530863851, 3.0409021585, -0.1010321668, 0.1013773381, 0.1017260691, 0.1020784213, more...

decimal, non-constant, non-monotonic, +-

a(n)=tan(abs(a(n-1)))
a(0)=1
n≥0
3 operations
Recursive
r|W

Sequence elmh2ulqvymrj

1, 1.5574077247, 74.6859333988, 0.8635188549, 1.1698563551, 2.3590377342, 0.994329619, 1.5381535569, 30.623773508, 1.0136018143, 1.6050123678, 29.2146517707, 1.3701487455, 4.9167999905, 4.8237768261, 8.9404801577, 0.5260857889, 0.580671062, 0.6561279832, 0.7699191877, 0.9695115437, 1.4576737055, 8.8022251344, 0.7177699669, 0.8731301134, 1.1928808263, 2.5189063581, 0.7179722179, 0.8734866146, 1.1937449837, 2.525267346, 0.7083759388, 0.8567086986, 1.1538533121, 2.2577904353, 1.2190733997, 2.7249276145, 0.4425784376, 0.4739342704, 0.5129252615, 0.5632055447, 0.6314240774, 0.7312981266, 0.8972580163, 1.2530863851, 3.0409021585, 0.1010321668, 0.1013773381, 0.1017260691, 0.1020784213, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(tan(a(n-1)))
a(0)=1
n≥0
3 operations
Recursive
rW|

Sequence nrvitjqdw2ohk

2, -2.1850398633, -1.4179285755, 6.4905666027, 0.2104062939, 0.2135672329, 0.2168745891, 0.2203400038, 0.2239764545, 0.2277984593, 0.2318223191, 0.2360664093, 0.2405515319, 0.2453013428, 0.2503428748, 0.2557071833, 0.2614301483, 0.2675534819, 0.2741260035, 0.2812052743, 0.2888597143, 0.29717138, 0.3062396633, 0.3161862901, 0.3271621997, 0.3393571977, 0.3530138063, 0.36844765, 0.3860783527, 0.4064779968, 0.4304502627, 0.4591661041, 0.4944106058, 0.5390669794, 0.5981620619, 0.6814420213, 0.8110491682, 1.0526644569, 1.7541276955, -5.3933560809, -1.2341684767, 2.8575733066, -0.2919110814, 0.3004952402, 0.309878962, 0.3201940526, 0.3316047823, 0.3443189159, 0.3586036845, 0.3748095438, more...

decimal, non-constant, non-monotonic, +-

a(n)=tan(abs(a(n-1)))
a(0)=2
n≥0
3 operations
Recursive
r|W

Sequence jkscsewjrm31f

2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, more...

integer, non-constant, monotonic, +-

a(n)=-abs(a(n-1))
a(0)=2
n≥0
3 operations
Recursive
r|~

Sequence abbtp4v3i3flh

2, -1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-constant, non-monotonic, +-

a(n)=round(sin(tan(abs(a(n-1)))))
a(0)=2
n≥0
5 operations
Recursive
r|WSR
a(n)=μ(abs(a(n-1)))
a(0)=2
μ(n)=Möbius function
n≥0
3 operations
PrimeRecursive
r|μ

Sequence r5lwngykqat3f

2, 0.4161468365, 0.9146533259, 0.6100652997, 0.819610608, 0.6825058579, 0.7759946131, 0.713724734, 0.7559287136, 0.7276347923, 0.7467496017, 0.7339005972, 0.7425675503, 0.7367348584, 0.7406662639, 0.7380191412, 0.7398027782, 0.7386015286, 0.7394108086, 0.7388657151, 0.7392329181, 0.7389855755, 0.7391521928, 0.7390399594, 0.7391155621, 0.7390646356, 0.7390989405, 0.7390758324, 0.7390913983, 0.7390809129, 0.739087976, 0.7390832183, 0.7390864232, 0.7390842643, 0.7390857185, 0.7390847389, 0.7390853988, 0.7390849543, 0.7390852537, 0.739085052, 0.7390851879, 0.7390850964, 0.739085158, 0.7390851165, 0.7390851445, 0.7390851256, 0.7390851383, 0.7390851298, 0.7390851355, 0.7390851317, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(cos(a(n-1)))
a(0)=2
n≥0
3 operations
Recursive
rO|

Sequence zggaahxu54f3c

2, 0.6931471806, -0.3665129206, -1.0037215043, 0.0037145966, -5.5954851833, 1.7219600553, 0.5434632091, -0.6097932673, -0.4946352852, -0.7039345855, -0.3510698455, -1.0467700852, 0.0457093139, -3.0854531964, 1.1266985498, 0.119291719, -2.1261833652, 0.7543285251, -0.2819272961, -1.2661060564, 0.235946093, -1.4441519194, 0.3675222423, -1.000971439, 0.0009709675, -6.9372176115, 1.9369007736, 0.6610891563, -0.4138665673, -0.8822116582, -0.1253232765, -2.0768586685, 0.7308564966, -0.3135381496, -1.159834237, 0.1482770958, -1.908672487, 0.6464079674, -0.436324446, -0.8293691702, -0.1870899031, -1.6761660125, 0.51650905, -0.6606624689, -0.4145122066, -0.8806528558, -0.127091765, -2.0628458945, 0.7240865316, more...

decimal, non-constant, non-monotonic, +-

a(n)=ln(abs(a(n-1)))
a(0)=2
n≥0
3 operations
Recursive
r|l
a(n)=ln(abs(λ(n)*a(n-1)))
a(0)=2
λ(n)=Liouville's function
n≥0
6 operations
PrimeRecursive
nλr*|l

Sequence aievkbkyriw5b

2, 2.1850398633, 1.4179285755, 6.4905666027, 0.2104062939, 0.2135672329, 0.2168745891, 0.2203400038, 0.2239764545, 0.2277984593, 0.2318223191, 0.2360664093, 0.2405515319, 0.2453013428, 0.2503428748, 0.2557071833, 0.2614301483, 0.2675534819, 0.2741260035, 0.2812052743, 0.2888597143, 0.29717138, 0.3062396633, 0.3161862901, 0.3271621997, 0.3393571977, 0.3530138063, 0.36844765, 0.3860783527, 0.4064779968, 0.4304502627, 0.4591661041, 0.4944106058, 0.5390669794, 0.5981620619, 0.6814420213, 0.8110491682, 1.0526644569, 1.7541276955, 5.3933560809, 1.2341684767, 2.8575733066, 0.2919110814, 0.3004952402, 0.309878962, 0.3201940526, 0.3316047823, 0.3443189159, 0.3586036845, 0.3748095438, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(tan(a(n-1)))
a(0)=2
n≥0
3 operations
Recursive
rW|

Sequence fq5ilsoaoglod

-1, -1, -1, 0, -1, -1, -1, 0, 0, -1, -1, 0, -1, -1, -1, 0, -1, 0, -1, 0, -1, -1, -1, 0, 0, -1, 0, 0, -1, -1, -1, 0, -1, -1, -1, 0, -1, -1, -1, 0, -1, -1, -1, 0, 0, -1, -1, 0, 0, 0, more...

integer, non-constant, non-monotonic, -0

a(n)=-abs(μ(n))
μ(n)=Möbius function
n≥1
4 operations
Prime
nμ|~

Sequence 1nwbksstnp3zj

-1, -0.5403023059, -0.4161468365, -0.9899924966, -0.6536436209, -0.2836621855, -0.9601702867, -0.7539022543, -0.1455000338, -0.9111302619, -0.8390715291, -0.004425698, -0.8438539587, -0.9074467815, -0.1367372182, -0.7596879129, -0.9576594803, -0.2751633381, -0.6603167082, -0.9887046182, -0.4080820618, -0.5477292602, -0.9999608264, -0.5328330203, -0.4241790073, -0.9912028119, -0.6469193223, -0.2921388087, -0.9626058663, -0.7480575297, -0.1542514499, -0.9147423578, -0.8342233605, -0.0132767472, -0.8485702748, -0.9036922051, -0.1279636896, -0.7654140519, -0.955073644, -0.2666429324, -0.6669380617, -0.9873392775, -0.399985315, -0.5551133015, -0.9998433086, -0.5253219888, -0.4321779449, -0.9923354692, -0.6401443395, -0.3005925437, more...

decimal, non-constant, non-monotonic, -

a(n)=-abs(cos(n))
n≥0
4 operations
N
nO|~

Sequence asvthdvyalz0l

-0.1726037463, -0.0950830361, -1.9581446296, -0.2786529641, -0.04194317, -1.2750553641, -0.4200916584, -0.0106987818, -0.8864443854, -0.6087672261, -0.0000097935, -0.6225528119, -0.86710294, -0.0094370334, -0.4303401831, -1.2451305612, -0.0393673323, -0.286366609, -1.8979389224, -0.0910793665, -0.1783427166, -4.7271898885, -0.1669754283, -0.0991814654, -2.0222921271, -0.2710761171, -0.0446042127, -1.3059841632, -0.4100246608, -0.0120405736, -0.9062472239, -0.5952463934, -0.0000881438, -0.6366105529, -0.8482053766, -0.0082551265, -0.4407739944, -1.2161514009, -0.0368762618, -0.2942191789, -1.8412270493, -0.0871697009, -0.1841936169, -4.0340818823, -0.161456524, -0.1033754343, -2.0909222111, -0.2636340105, -0.047350915, -1.3379810584, more...

decimal, non-constant, non-monotonic, -

a(n)=ln(abs(sin(n)))
n≥1
4 operations
N
nS|l

Sequence w4qs13hzion2i

0, -2, -5, -13, -43, -193, -1181, -9547, -99523, -1292831, more...

integer, non-constant, strictly-monotonic, -0

a(n)=-p(abs(a(n-1)))
a(0)=0
p(n)=nth prime
n≥0
4 operations
PrimeRecursive
r|p~

Sequence uslhuznyi0qmh

0, -1.5574077247, -2.1850398633, -0.1425465431, -1.1578212823, -3.3805150062, -0.2910061914, -0.8714479827, -6.7997114552, -0.4523156594, -0.6483608275, -225.9508464542, -0.6358599287, -0.4630211329, -7.2446066161, -0.8559934009, -0.300632242, -3.4939156455, -1.1373137123, -0.1515894706, -2.2371609442, -1.5274985276, -0.008851656, -1.5881530834, -2.1348966977, -0.133526407, -1.1787535542, -3.2737038004, -0.2814296046, -0.8871428438, -6.4053311966, -0.441695568, -0.6610060415, -75.3130148001, -0.6234989627, -0.4738147204, -7.7504709057, -0.8407712554, -0.310309661, -3.6145544071, -1.1172149309, -0.1606566987, -2.2913879924, -1.4983873389, -0.0177046993, -1.6197751905, -2.0866135311, -0.1245275681, -1.2001272431, -3.1729085522, more...

decimal, non-constant, non-monotonic, -0

a(n)=-abs(tan(n))
n≥0
4 operations
N
nW|~

Sequence stn1cxh1hy5ae

0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, more...

integer, non-constant, monotonic, -0, A057428

a(n)=floor(-abs(sin(n)))
n≥0
5 operations
N
nS|~f
a(n)=-abs(a(n-1))!
a(0)=0
n≥0
4 operations
Recursive
r|!~

Sequence h4uzxyiek2ulp

0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, more...

integer, non-constant, periodic, non-monotonic, -0

a(n)=-n%2
n≥0
4 operations
N
n~2%
a(n)=-a(n-1)-1
a(0)=0
n≥0
4 operations
Recursive
r~1-
a(n)=p(abs(a(n-1)))-3
a(0)=0
p(n)=nth prime
n≥0
5 operations
PrimeRecursive
r|p3-

Sequence pvrmxwij4nyle

0, -0.8414709848, -0.9092974268, -0.1411200081, -0.7568024953, -0.9589242747, -0.2794154982, -0.6569865987, -0.9893582466, -0.4121184852, -0.5440211109, -0.9999902066, -0.536572918, -0.4201670368, -0.9906073557, -0.6502878402, -0.2879033167, -0.9613974919, -0.7509872468, -0.1498772097, -0.9129452507, -0.8366556385, -0.0088513093, -0.8462204042, -0.905578362, -0.1323517501, -0.7625584505, -0.9563759284, -0.2709057883, -0.6636338842, -0.9880316241, -0.4040376453, -0.5514266812, -0.9999118601, -0.5290826861, -0.4281826695, -0.9917788534, -0.6435381334, -0.2963685787, -0.9637953863, -0.7451131605, -0.1586226688, -0.9165215479, -0.8317747426, -0.0177019251, -0.8509035245, -0.9017883476, -0.1235731227, -0.7682546613, -0.9537526528, more...

decimal, non-constant, non-monotonic, -0

a(n)=-abs(sin(n))
n≥0
4 operations
N
nS|~

Sequence s0x1vrcvopu3m

0, -0.6156264704, -0.8767171085, -0.0100579151, -0.4251929983, -1.2599712366, -0.0406446283, -0.2824925555, -1.92757896, -0.0930694041, -0.175459321, -5.4203272755, -0.169775834, -0.0971203576, -1.9896943104, -0.274847571, -0.0432630127, -1.2903904011, -0.4150356981, -0.0113596591, -0.8962869929, -0.6019741648, -0.0000391744, -0.6295471866, -0.8575997257, -0.0088361118, -0.4355336873, -1.2305262173, -0.0381112279, -0.2902753926, -1.8691712166, -0.0891128295, -0.1812540941, -4.321741103, -0.1642023754, -0.1012664577, -2.0560087301, -0.2673383472, -0.0459668273, -1.3218448476, -0.4050580985, -0.0127415524, -0.9163274451, -0.5885830392, -0.0001567036, -0.6437438924, -0.8389178661, -0.0076940543, -0.4460615976, -1.2019996065, more...

decimal, non-constant, non-monotonic, -0

a(n)=ln(abs(cos(n)))
n≥0
4 operations
N
nO|l

Sequence apu2hiubit3oh

0, 0.5403023059, -0.1452141099, 0.4027407524, 0.0748073504, 0.4733763041, -0.0346021545, 0.5103472645, -0.0949301032, 0.4539686108, -0.0037522373, 0.5371351656, -0.1398416536, 0.4084037647, 0.066333117, 0.481367072, -0.0474710288, 0.4987712398, -0.0758274509, 0.4724071604, -0.0330479297, 0.5117291721, -0.0972231149, 0.4517180179, -0.0002125629, 0.5401234092, -0.1449103044, 0.4030622161, 0.0743277285, 0.4738314283, -0.0353325328, 0.5096966647, -0.0938514787, 0.4550245009, -0.005415648, 0.5357248892, -0.137453524, 0.4109063046, 0.062571385, 0.4848799321, -0.0531586143, 0.4935783417, -0.0673203877, 0.480441637, -0.0459757388, 0.5001286366, -0.0780575582, 0.4702830124, -0.0296464043, 0.5147414853, more...

decimal, non-constant, non-monotonic, +-0

a(n)=cos(exp(abs(a(n-1))))
a(0)=0
n≥0
4 operations
Recursive
r|eO

Sequence 3q54wdz1pokvo

0, 0.5403023059, 0.1452141099, 0.4027407524, 0.0748073504, 0.4733763041, 0.0346021545, 0.5103472645, 0.0949301032, 0.4539686108, 0.0037522373, 0.5371351656, 0.1398416536, 0.4084037647, 0.066333117, 0.481367072, 0.0474710288, 0.4987712398, 0.0758274509, 0.4724071604, 0.0330479297, 0.5117291721, 0.0972231149, 0.4517180179, 0.0002125629, 0.5401234092, 0.1449103044, 0.4030622161, 0.0743277285, 0.4738314283, 0.0353325328, 0.5096966647, 0.0938514787, 0.4550245009, 0.005415648, 0.5357248892, 0.137453524, 0.4109063046, 0.062571385, 0.4848799321, 0.0531586143, 0.4935783417, 0.0673203877, 0.480441637, 0.0459757388, 0.5001286366, 0.0780575582, 0.4702830124, 0.0296464043, 0.5147414853, more...

decimal, non-constant, non-monotonic, +0

a(n)=abs(cos(exp(a(n-1))))
a(0)=0
n≥0
4 operations
Recursive
reO|

Sequence 4c3jzy2a3qhwk

0, 0.6389612763, 0.8905770417, 0.6389612763, 0.9992535068, 0, 0.9304659259, 0.6389612763, 0.8905770417, 0, 0.6770136959, 0, 0.5452130972, 0, 0, 0.6389612763, 0.3035147985, 0, 0.1958789412, 0, 0, 0, 0.0060983999, 0, 0.9992535068, 0, 0.8905770417, 0, 0.2237917591, 0, 0.2882459668, 0.6389612763, 0, 0, 0, 0, 0.4522846047, 0, 0, 0, 0.5412974603, 0, 0.5807156376, 0, 0, 0, 0.6507372186, 0, 0.9304659259, 0, more...

decimal, non-constant, non-monotonic, +0

a(n)=abs(sin(Λ(n)))
Λ(n)=Von Mangoldt's function
n≥1
4 operations
Prime
nΛS|

Sequence ajhqehf1g1ncm

0, 0.6389612763, 0.8905770417, 0.9830277404, 0.9992535068, 0.9756868105, 0.9304659259, 0.8734050818, 0.8101266272, 0.743980337, 0.6770136959, 0.6104954587, 0.5452130972, 0.4816489515, 0.420088148, 0.3606865907, 0.3035147985, 0.2485867156, 0.1958789412, 0.1453437273, 0.0969178449, 0.0505286743, 0.0060983999, 0.0364530986, 0.0772062629, 0.116240509, 0.1536333284, 0.1894597053, 0.2237917591, 0.256698545, 0.2882459668, 0.3184967683, 0.3475105776, 0.3753439899, 0.4020506719, 0.4276814832, 0.4522846047, 0.475905671, 0.498587903, 0.5203722388, 0.5412974603, 0.561400316, 0.5807156376, 0.5992764521, 0.6171140865, 0.6342582682, 0.6507372186, 0.6665777418, 0.6818053073, 0.6964441283, more...

decimal, non-constant, non-monotonic, +0

a(n)=abs(sin(ln(n)))
n≥1
4 operations
N
nlS|

Sequence t20iorvdyp5kh

0, 0.7456241417, 0.7890723436, 0.1406520768, 0.6866002607, 0.8185741445, 0.2757938628, 0.6107335082, 0.8356736829, 0.400551339, 0.5175807675, 0.8414656933, 0.5111935402, 0.4079129668, 0.8363590743, 0.6054155255, 0.2839424641, 0.8199922576, 0.6823607852, 0.1493167198, 0.7913079479, 0.7424067229, 0.0088511937, 0.7487805754, 0.7867822693, 0.1319656878, 0.6907736454, 0.8171077158, 0.2676042996, 0.6159835378, 0.8349443318, 0.3931340756, 0.5239029773, 0.8414233594, 0.5047416637, 0.4152182238, 0.8370006942, 0.6000296192, 0.2920490365, 0.8213623928, 0.678054989, 0.157958317, 0.7934894947, 0.7391279391, 0.0177010006, 0.7518764094, 0.7844373111, 0.1232588627, 0.6948811817, 0.8155926269, more...

decimal, non-constant, non-monotonic, +0

a(n)=sin(abs(sin(n)))
n≥0
4 operations
N
nS|S

Sequence 1wh4isz3rjhw

0, 0.8306408779, 1.9580333261, 0.8306408779, 25.8659734032, 0, 2.5396306834, 0.8306408779, 1.9580333261, 0, 0.9198925388, 0, 0.6503814039, 0, 0, 0.8306408779, 0.3185414417, 0, 0.1997484513, 0, 0, 0, 0.0060985133, 0, 25.8659734032, 0, 1.9580333261, 0, 0.229615501, 0, 0.3010224424, 0.8306408779, 0, 0, 0, 0, 0.5071173439, 0, 0, 0, 0.6437647396, 0, 0.7133165715, 0, 0, 0, 0.8570191394, 0, 2.5396306834, 0, more...

decimal, non-constant, non-monotonic, +0

a(n)=abs(tan(Λ(n)))
Λ(n)=Von Mangoldt's function
n≥1
4 operations
Prime
nΛW|

Sequence mchfsis13atto

0, 0.8306408779, 1.9580333261, 5.3583557768, 25.8659734032, 4.451746403, 2.5396306834, 1.7934601498, 1.3818674774, 1.1134071468, 0.9198925388, 0.7708083714, 0.6503814039, 0.5495990451, 0.4629155666, 0.3867176888, 0.3185414417, 0.2566428249, 0.1997484513, 0.1469036648, 0.0973762549, 0.0505933016, 0.0060985133, 0.0364773427, 0.0774374025, 0.1170338705, 0.1554791887, 0.1929543996, 0.229615501, 0.2655983419, 0.3010224424, 0.3359940103, 0.3706083492, 0.4049518037, 0.4391033457, 0.4731358818, 0.5071173439, 0.5411116061, 0.575179266, 0.609378318, 0.6437647396, 0.6783930094, 0.7133165715, 0.7485882562, 0.7842606688, 0.8203865534, 0.8570191394, 0.8942124759, 0.932021761, 0.9705036696, more...

decimal, non-constant, non-monotonic, +0

a(n)=abs(tan(ln(n)))
n≥1
4 operations
N
nlW|

Sequence czpn0t1wz3aij

0, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, 0.8414709848, more...

decimal, non-constant, monotonic, +0

a(n)=sin(ceil(abs(sin(n))))
n≥0
5 operations
N
nS|TS
a(n)=sin(floor(a(n-1))!)
a(0)=0
n≥0
4 operations
Recursive
rf!S

Sequence yrh23o1mfrwyn

0, 0.8414709848, 0.8414709848, 0.9092974268, 0.8414709848, 0.9092974268, 0.8414709848, 0.1411200081, 0.9092974268, 0.9092974268, 0.8414709848, 0.1411200081, 0.8414709848, 0.9092974268, 0.9092974268, 0.7568024953, 0.8414709848, 0.1411200081, 0.8414709848, 0.1411200081, 0.9092974268, 0.9092974268, 0.8414709848, 0.7568024953, 0.9092974268, 0.9092974268, 0.1411200081, 0.1411200081, 0.8414709848, 0.1411200081, 0.8414709848, 0.9589242747, 0.9092974268, 0.9092974268, 0.9092974268, 0.7568024953, 0.8414709848, 0.9092974268, 0.9092974268, 0.7568024953, 0.8414709848, 0.1411200081, 0.8414709848, 0.1411200081, 0.1411200081, 0.9092974268, 0.8414709848, 0.9589242747, 0.9092974268, 0.1411200081, more...

decimal, non-constant, non-monotonic, +0

a(n)=abs(sin(Ω(n)))
Ω(n)=max factorization terms
n≥1
4 operations
Prime
nΩS|

Sequence 4vwgt42kkkhne

0, 0.8414709848, 0.987765946, 0.987026645, 0.9092974268, 0.7867491315, 0.6381576351, 0.4757718382, 0.3080717424, 0.1411200081, 0.0206835315, 0.1741397834, 0.3169471632, 0.4474917522, 0.5646958988, 0.6679052983, 0.7568024953, 0.8313391792, 0.8916822545, 0.9381702684, 0.971277799, 0.991586081, 0.9997585985, 0.9965206905, 0.9826424396, 0.9589242747, 0.9261848393, 0.8852507661, 0.8369480668, 0.7820948988, 0.721495512, 0.6559352108, 0.586176193, 0.5129541484, 0.4369755173, 0.3589153219, 0.2794154982, 0.1990836625, 0.1184922574, 0.0381780282, 0.0413582135, 0.1196515765, 0.1962728602, 0.2708281386, 0.3429581835, 0.4123377501, 0.4786747459, 0.5417093018, 0.6012127608, 0.6569865987, more...

decimal, non-constant, non-monotonic, +0

a(n)=abs(sin(sqrt(n)))
n≥0
4 operations
N
nQS|

Sequence tii510l5d3ydj

0, 0.917317276, 0.9535708819, 0.3756594309, 0.869943961, 0.9792467895, 0.5285976714, 0.8105470984, 0.9946648916, 0.6419645514, 0.7375778677, 0.9999951033, 0.7325113774, 0.6482029287, 0.995292598, 0.806404266, 0.5365662277, 0.9805087924, 0.8665952035, 0.3871397805, 0.9554816852, 0.9146888206, 0.0940813972, 0.9199023884, 0.9516188113, 0.3638018006, 0.8732459278, 0.9779447471, 0.5204861077, 0.8146372716, 0.9939977988, 0.6356395561, 0.7425810941, 0.9999559291, 0.7273807023, 0.6543566837, 0.9958809434, 0.8022082855, 0.5443974455, 0.9817308115, 0.8631993747, 0.3982746148, 0.957351319, 0.9120168544, 0.1330485817, 0.9224443206, 0.9496253723, 0.3515296897, 0.8765013755, 0.9766026074, more...

decimal, non-constant, non-monotonic, +0

a(n)=sqrt(abs(sin(n)))
n≥0
4 operations
N
nS|Q

Sequence 2tocksv23jjng

0, 0.999910374, 0.8172096612, 0.1420642871, 0.9159308854, -0.2366557288, 0.2869162569, 0.7652618331, 0.4938624705, 0.4370494949, 0.6038806746, -0.2414158622, 0.5938695992, 0.4466531706, 0.8200058897, 0.7552224318, 0.2961241514, -0.3450790355, 0.9075084401, 0.1510095656, 0.7860740031, 0.9990627967, 0.0088515405, 0.9998493753, 0.8450699342, 0.1331299802, 0.9241304921, -0.1317271849, 0.2777292949, 0.7752702497, 0.1218423876, 0.42747292, 0.6139113065, -0.0851058129, 0.5838793284, 0.4562840657, 0.9946475462, 0.7451576828, 0.3053535224, -0.4555249007, 0.8988835472, 0.1599664831, 0.7514154623, 0.9973796144, 0.0177037744, 0.9988007752, 0.8698899301, 0.1242059737, 0.932085186, -0.0313107803, more...

decimal, non-constant, non-monotonic, +-0

a(n)=sin(abs(tan(n)))
n≥0
4 operations
N
nW|S

Sequence nhoid0xt15u2b

0, 0.999910374, 0.8172096612, 0.1420642871, 0.9159308854, 0.2366557288, 0.2869162569, 0.7652618331, 0.4938624705, 0.4370494949, 0.6038806746, 0.2414158622, 0.5938695992, 0.4466531706, 0.8200058897, 0.7552224318, 0.2961241514, 0.3450790355, 0.9075084401, 0.1510095656, 0.7860740031, 0.9990627967, 0.0088515405, 0.9998493753, 0.8450699342, 0.1331299802, 0.9241304921, 0.1317271849, 0.2777292949, 0.7752702497, 0.1218423876, 0.42747292, 0.6139113065, 0.0851058129, 0.5838793284, 0.4562840657, 0.9946475462, 0.7451576828, 0.3053535224, 0.4555249007, 0.8988835472, 0.1599664831, 0.7514154623, 0.9973796144, 0.0177037744, 0.9988007752, 0.8698899301, 0.1242059737, 0.932085186, 0.0313107803, more...

decimal, non-constant, non-monotonic, +0

a(n)=abs(sin(tan(n)))
n≥0
4 operations
N
nWS|

Sequence 3k2ozax2jely

0, 1, -1, 0, -1, -1, -2, -3, -5, -8, -13, -21, -34, -55, -89, -144, -233, -377, -610, -987, -1597, -2584, -4181, -6765, -10946, -17711, -28657, -46368, -75025, -121393, -196418, -317811, -514229, -832040, -1346269, -2178309, -3524578, -5702887, -9227465, -14930352, -24157817, -39088169, -63245986, -102334155, -165580141, -267914296, -433494437, -701408733, -1134903170, -1836311903, more...

integer, non-constant, non-monotonic, +-0

a(n)=a(n-2)-abs(a(n-1))
a(0)=0
a(1)=1
n≥0
4 operations
Recursive
sr|-

Sequence m5hvqaiqegnxe

0, 1, -1, 2, -1, 3, -2, 5, -3, 8, -5, 13, -8, 21, -13, 34, -21, 55, -34, 89, -55, 144, -89, 233, -144, 377, -233, 610, -377, 987, -610, 1597, -987, 2584, -1597, 4181, -2584, 6765, -4181, 10946, -6765, 17711, -10946, 28657, -17711, 46368, -28657, 75025, -46368, 121393, more...

integer, non-constant, non-monotonic, +-0

a(n)=abs(a(n-2))-a(n-1)
a(0)=0
a(1)=1
n≥0
4 operations
Recursive
s|r-

Sequence ioi4qz5x15tno

0, 1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, more...

integer, non-constant, non-monotonic, +-0

a(n)=(-a(n-1))^a(n-2)
a(0)=0
a(1)=1
n≥0
4 operations
Recursive
r~s^
a(n)=λ(a(n-1)+abs(a(n-2)))
a(0)=0
a(1)=1
λ(n)=Liouville's function
n≥0
5 operations
PrimeRecursive
rs|+λ

Sequence 5qf3yqku14bc

0, 1, 1, 0, -1, -1, -2, -3, -5, -8, -13, -21, -34, -55, -89, -144, -233, -377, -610, -987, -1597, -2584, -4181, -6765, -10946, -17711, -28657, -46368, -75025, -121393, -196418, -317811, -514229, -832040, -1346269, -2178309, -3524578, -5702887, -9227465, -14930352, -24157817, -39088169, -63245986, -102334155, -165580141, -267914296, -433494437, -701408733, -1134903170, -1836311903, more...

integer, non-constant, non-monotonic, +-0

a(n)=a(n-1)-abs(a(n-2))
a(0)=0
a(1)=1
n≥0
4 operations
Recursive
rs|-

Sequence b4w3uebiqy32c

0, 1, 1, 0, -1, 1, 2, 1, -1, 0, 1, 1, 0, -1, 1, 2, 1, -1, 0, 1, 1, 0, -1, 1, 2, 1, -1, 0, 1, 1, 0, -1, 1, 2, 1, -1, 0, 1, 1, 0, -1, 1, 2, 1, -1, 0, 1, 1, 0, -1, more...

integer, non-constant, periodic, non-monotonic, +-0, A076452

a(n)=abs(a(n-1))-a(n-2)
a(0)=0
a(1)=1
n≥0
4 operations
Recursive
r|s-
a(n)=τ(abs(a(n-1)))-a(n-2)
a(0)=0
a(1)=1
τ(n)=number of divisors of n
n≥0
5 operations
PrimeRecursive
r|τs-

Sequence qgdcvovgywgbn

0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, more...

integer, non-constant, periodic, non-monotonic, +0, A011655

a(n)=(n*n)%3
n≥0
5 operations
N
nn*3%
a(n)=abs(a(n-1)-a(n-2))
a(0)=0
a(1)=1
n≥0
4 operations
Recursive
rs-|

Sequence m2qysb14xnncp

0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, more...

integer, non-constant, periodic, non-monotonic, +0

a(n)=round(abs(sin(n)))
n≥0
4 operations
N
nS|R

Sequence kz13hzeuuxzy

0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-constant, non-monotonic, +0

a(n)=abs(μ(Ω(n)))
Ω(n)=max factorization terms
μ(n)=Möbius function
n≥1
4 operations
Prime
nΩμ|

Sequence igu1dv0josnni

0, 1, 2, 0, 1, 3, 0, 0, 6, 0, 0, 225, 0, 0, 7, 0, 0, 3, 1, 0, 2, 1, 0, 1, 2, 0, 1, 3, 0, 0, 6, 0, 0, 75, 0, 0, 7, 0, 0, 3, 1, 0, 2, 1, 0, 1, 2, 0, 1, 3, more...

integer, non-constant, non-monotonic, +0

a(n)=floor(abs(tan(n)))
n≥0
4 operations
N
nW|f

Sequence h1gz2rcnlwogo

0, 1, 3, 1, 1, 4, 1, 0, 7, 1, 0, 226, 1, 0, 7, 1, 0, 3, 2, 0, 2, 2, 0, 1, 3, 1, 1, 4, 1, 0, 7, 1, 0, 76, 1, 0, 7, 1, 0, 3, 2, 0, 2, 2, 0, 1, 3, 1, 1, 4, more...

integer, non-constant, non-monotonic, +0

a(n)=abs(floor(tan(n)))
n≥0
4 operations
N
nWf|

Sequence mcmv2mit1fq1b

0, 1.1189396032, 1.2845059111, 0.1420643261, 0.9443838837, 1.4250920814, 0.2869215992, 0.7712876745, 1.5215471809, 0.4371522058, 0.6049088195, 1.5573741775, 0.5947806683, 0.4467729097, 1.525695997, 0.7606586846, 0.2961308176, 1.4326146535, 0.9334422087, 0.1510096253, 1.2942180326, 1.1081533528, 0.0088515405, 1.1296926442, 1.2746973668, 0.1331300049, 0.9553329887, 1.4173962624, 0.2777335479, 0.7819441205, 1.5171581436, 0.4275607743, 0.615069901, 1.5571058412, 0.5846854476, 0.4564232773, 1.5296014288, 0.7500578525, 0.3053617887, 1.4399591942, 0.9225097648, 0.1599665724, 1.3038291548, 1.0973371147, 0.0177037744, 1.1404091623, 1.2647969177, 0.1242059889, 0.966287641, 1.409532017, more...

decimal, non-constant, non-monotonic, +0

a(n)=tan(abs(sin(n)))
n≥0
4 operations
N
nS|W

Sequence u2mk4v0ap4sgg

0, 1.2479614276, 1.4781880338, 0.3775533645, 1.0760210418, 1.838617689, 0.539449897, 0.9335137828, 2.6076256356, 0.6725441691, 0.8052085615, 15.0316614669, 0.7974082572, 0.6804565621, 2.691580691, 0.9251991142, 0.5482994091, 1.8692018739, 1.0664491138, 0.389344925, 1.495714192, 1.2359201138, 0.09408324, 1.2602194584, 1.4611285699, 0.3654126531, 1.0857041744, 1.8093379453, 0.5304993917, 0.9418826062, 2.5308755791, 0.6646018116, 0.8130227804, 8.6783071391, 0.789619505, 0.6883420083, 2.7839667573, 0.9169357968, 0.5570544507, 1.9011981504, 1.0569838839, 0.4008200328, 1.5137331312, 1.2240863282, 0.1330590068, 1.2727038896, 1.4445115199, 0.3528846386, 1.0955031917, 1.781265997, more...

decimal, non-constant, non-monotonic, +0

a(n)=sqrt(abs(tan(n)))
n≥0
4 operations
N
nW|Q

Sequence gkkf1ff3ntion

0, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, 1.5574077247, more...

decimal, non-constant, monotonic, +0

a(n)=tan(ceil(abs(sin(n))))
n≥0
5 operations
N
nS|TW
a(n)=tan(floor(a(n-1))!)
a(0)=0
n≥0
4 operations
Recursive
rf!W

Sequence rjgqiv2vqxbve

0, 1.5574077247, 1.5574077247, 2.1850398633, 1.5574077247, 2.1850398633, 1.5574077247, 0.1425465431, 2.1850398633, 2.1850398633, 1.5574077247, 0.1425465431, 1.5574077247, 2.1850398633, 2.1850398633, 1.1578212823, 1.5574077247, 0.1425465431, 1.5574077247, 0.1425465431, 2.1850398633, 2.1850398633, 1.5574077247, 1.1578212823, 2.1850398633, 2.1850398633, 0.1425465431, 0.1425465431, 1.5574077247, 0.1425465431, 1.5574077247, 3.3805150062, 2.1850398633, 2.1850398633, 2.1850398633, 1.1578212823, 1.5574077247, 2.1850398633, 2.1850398633, 1.1578212823, 1.5574077247, 0.1425465431, 1.5574077247, 0.1425465431, 0.1425465431, 2.1850398633, 1.5574077247, 3.3805150062, 2.1850398633, 0.1425465431, more...

decimal, non-constant, non-monotonic, +0

a(n)=abs(tan(Ω(n)))
Ω(n)=max factorization terms
n≥1
4 operations
Prime
nΩW|

Sequence un2lj4uuub0jb

0, 1.5574077247, 6.334119167, 6.1475331603, 2.1850398633, 1.2745564588, 0.8288776281, 0.5409149049, 0.3238214024, 0.1425465431, 0.0206879572, 0.1768417587, 0.3341762212, 0.5003888266, 0.6842318437, 0.8974251186, 1.1578212823, 1.4958455375, 1.9698639064, 2.7101106395, 4.0818842728, 7.6600519973, 45.5026176625, 11.9564673005, 5.2969878277, 3.3805150062, 2.4562688624, 1.9032982618, 1.5292803043, 1.2550480148, 1.0419924869, 0.8689987648, 0.7235103139, 0.5975589272, 0.4858126069, 0.3845369719, 0.2910061914, 0.2031502226, 0.119332961, 0.0382058821, 0.0413936306, 0.12051738, 0.2001662299, 0.2813425525, 0.3651013342, 0.452605593, 0.5451924158, 0.6444578608, 0.7523727234, 0.8714479827, more...

decimal, non-constant, non-monotonic, +0

a(n)=abs(tan(sqrt(n)))
n≥0
4 operations
N
nQW|

Sequence 4wqdc1cfd24pn

0, 2, 2, 0, 1, 3, 0, 1, 7, 0, 1, 226, 1, 0, 7, 1, 0, 3, 1, 0, 2, 2, 0, 2, 2, 0, 1, 3, 0, 1, 6, 0, 1, 75, 1, 0, 8, 1, 0, 4, 1, 0, 2, 1, 0, 2, 2, 0, 1, 3, more...

integer, non-constant, non-monotonic, +0

a(n)=round(abs(tan(n)))
n≥0
4 operations
N
nW|R

Sequence htppsomeqiezo

0, 2, 2, 0, 2, 3, 0, 1, 6, 0, 1, 225, 0, 1, 8, 0, 1, 4, 1, 1, 3, 1, 1, 2, 2, 0, 2, 3, 0, 1, 6, 0, 1, 75, 0, 1, 8, 0, 1, 4, 1, 1, 3, 1, 1, 2, 2, 0, 2, 3, more...

integer, non-constant, non-monotonic, +0

a(n)=abs(ceil(tan(n)))
n≥0
4 operations
N
nWT|

Sequence t1vj2jb0utgam

0, 2, 3, 1, 2, 4, 1, 1, 7, 1, 1, 226, 1, 1, 8, 1, 1, 4, 2, 1, 3, 2, 1, 2, 3, 1, 2, 4, 1, 1, 7, 1, 1, 76, 1, 1, 8, 1, 1, 4, 2, 1, 3, 2, 1, 2, 3, 1, 2, 4, more...

integer, non-constant, non-monotonic, +0

a(n)=ceil(abs(tan(n)))
n≥0
4 operations
N
nW|T

Sequence 4a2vpkt0nnhgc

0, 2.7182818285, 2.4886338736, 2.2128686448, 1.8200361351, 1.2797533047, 1.3323596443, 1.2664070885, 1.3494681422, 1.2454857347, 1.3765812953, 1.2128784075, 1.4195286195, 1.1626379108, 1.4872364971, 1.0870445856, 1.5921792786, 1.0216115407, 1.6853816986, 1.1211274033, 1.5444492795, 1.0266940696, 1.6780798567, 1.1130208965, 1.5557436749, 1.0151659366, 1.6946546341, 1.1314973766, 1.5300571451, 1.0415686703, 1.6567648364, 1.08965666, 1.5884993319, 1.0178596909, 1.6907775733, 1.1271514267, 1.5360809848, 1.0353177345, 1.6657120655, 1.0994095763, 1.5747904759, 1.0040021257, 1.7107473387, 1.1496926039, 1.5049625312, 1.0679984091, 1.619113962, 1.0494842333, 1.6454573497, 1.0774441178, more...

decimal, non-constant, non-monotonic, +0

a(n)=exp(abs(cos(a(n-1))))
a(0)=0
n≥0
4 operations
Recursive
rO|e

Sequence llr2ukyko2ns

0, 74.6859333988, -1.4179285755, 0.1435199478, 2.2822044502, 0.2435748198, 0.299508909, 1.1888132412, 0.5679582935, 0.4859142695, 0.7576211479, -0.2487741656, 0.7381284594, 0.49921715, 1.4326873547, 1.1521870582, 0.3100291258, 0.3676632545, 2.1605602747, 0.1527613871, -1.2716919633, 23.0814277287, 0.0088518872, -57.6086651576, -1.5805869142, 0.1343256685, 2.4187022341, 0.1328851451, 0.2891027783, 1.2274126545, 0.1227569934, 0.4728535481, 0.7777181924, -0.085415708, 0.7192045214, 0.5127742681, 9.6263061095, 1.1173650271, 0.3206689742, 0.511697495, 2.0513669418, 0.1620533335, -1.1388026841, 13.7862954591, 0.0177065494, -20.4006412679, -1.7636029923, 0.1251752738, 2.5731210184, 0.0313261396, more...

decimal, non-constant, non-monotonic, +-0

a(n)=tan(abs(tan(n)))
n≥0
4 operations
N
nW|W

Sequence f5a40d4nuypio

0, 74.6859333988, 1.4179285755, 0.1435199478, 2.2822044502, 0.2435748198, 0.299508909, 1.1888132412, 0.5679582935, 0.4859142695, 0.7576211479, 0.2487741656, 0.7381284594, 0.49921715, 1.4326873547, 1.1521870582, 0.3100291258, 0.3676632545, 2.1605602747, 0.1527613871, 1.2716919633, 23.0814277287, 0.0088518872, 57.6086651576, 1.5805869142, 0.1343256685, 2.4187022341, 0.1328851451, 0.2891027783, 1.2274126545, 0.1227569934, 0.4728535481, 0.7777181924, 0.085415708, 0.7192045214, 0.5127742681, 9.6263061095, 1.1173650271, 0.3206689742, 0.511697495, 2.0513669418, 0.1620533335, 1.1388026841, 13.7862954591, 0.0177065494, 20.4006412679, 1.7636029923, 0.1251752738, 2.5731210184, 0.0313261396, more...

decimal, non-constant, non-monotonic, +0

a(n)=abs(tan(tan(n)))
n≥0
4 operations
N
nWW|

Sequence wos410chx4gbg

0.3665129206, 0.0940478276, 0.32663426, 0.4758849953, 0.5831980808, 0.6657298106, 0.7320993681, 0.7871950082, 0.8340324452, 0.8745913829, 0.9102350934, 0.9419387347, 0.9704217813, 0.996228893, 1.0197814405, 1.0414115248, 1.0613851298, 1.0799182995, 1.0971887004, 1.113344054, 1.1285083976, 1.1427868063, 1.1562690064, 1.1690321759, 1.1811431408, 1.1926601163, 1.2036341, 1.2141099979, 1.2241275407, 1.2337220363, 1.2429249919, 1.2517646307, 1.2602663262, 1.2684529661, 1.2763452613, 1.2839620095, 1.2913203187, 1.2984358016, 1.305322741, 1.3119942346, 1.3184623205, 1.3247380862, 1.3308317646, 1.3367528183, 1.3425100135, 1.3481114857, 1.3535647976, 1.3588769911, 1.3640546329, 1.3691038556, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(ln(ln(n)))
n≥2
4 operations
N
nll|

Sequence bgr0f4mnbxgxb

0.4161468365, 0.9899924966, 0.2836621855, 0.7539022543, 0.004425698, 0.9074467815, 0.2751633381, 0.9887046182, 0.5328330203, 0.7480575297, 0.9147423578, 0.7654140519, 0.9873392775, 0.5551133015, 0.9923354692, 0.9182827862, 0.771080223, 0.2581016359, 0.5177697998, 0.3090227282, 0.7361927182, 0.8959709468, 0.249540118, 0.5101770449, 0.9251475366, 0.8920048698, 0.7822308899, 0.982779582, 0.5770021789, 0.9952666362, 0.232359102, 0.5842088171, 0.3341653826, 0.7179641014, 0.2237409501, 0.9793545964, 0.9968309934, 0.9349004049, 0.8796885925, 0.9775269404, 0.9974960527, 0.3507973421, 0.8037933932, 0.2064527345, 0.6055518643, 0.4716257125, 0.8711325991, 0.9985916722, 0.6928740864, 0.9439940861, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(cos(p(n)))
p(n)=nth prime
n≥0
4 operations
Prime
npO|

Sequence hpxwlwfh4gbnh

0.4430227241, 0.7816340724, -1.9480867145, 0.1465400342, 1.2180280666, -1.2344107358, -0.1375991029, 1.9168801782, -0.7933749813, -0.4333079051, 5.4203174821, -0.4527769779, -0.7699825824, 1.980257277, -0.1554926121, -1.2018675485, 1.2510230687, 0.1286690891, -1.8865792632, 0.8052076264, 0.4236314482, -4.7271507141, 0.4625717583, 0.7584182604, -2.0134560153, 0.1644575702, 1.1859220046, -1.2678729353, -0.1197492682, 1.8571306431, -0.8171343943, -0.4139922993, 4.3216529592, -0.4724081775, -0.7469389189, 2.0477536035, -0.1734356472, -1.1701845736, 1.2849685858, 0.1108389196, -1.8284854969, 0.8291577442, 0.4043894223, -4.0339251787, 0.4822873683, 0.7355424318, -2.0832281568, 0.1824275871, 1.1546486916, -1.3023186765, more...

decimal, non-constant, non-monotonic, +-

a(n)=ln(abs(tan(n)))
n≥1
4 operations
N
nW|l

Sequence eoqvsr3j0fcsd

0.5403023059, 0.4161468365, 0.4161468365, 0.9899924966, 0.4161468365, 0.6536436209, 0.4161468365, 0.6536436209, 0.9899924966, 0.6536436209, 0.4161468365, 0.9601702867, 0.4161468365, 0.6536436209, 0.6536436209, 0.2836621855, 0.4161468365, 0.9601702867, 0.4161468365, 0.9601702867, 0.6536436209, 0.6536436209, 0.4161468365, 0.1455000338, 0.9899924966, 0.6536436209, 0.6536436209, 0.9601702867, 0.4161468365, 0.1455000338, 0.4161468365, 0.9601702867, 0.6536436209, 0.6536436209, 0.6536436209, 0.9111302619, 0.4161468365, 0.6536436209, 0.6536436209, 0.1455000338, 0.4161468365, 0.1455000338, 0.4161468365, 0.9601702867, 0.9601702867, 0.6536436209, 0.4161468365, 0.8390715291, 0.9899924966, 0.9601702867, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(cos(τ(n)))
τ(n)=number of divisors of n
n≥1
4 operations
Prime
nτO|

Sequence la5f5rztmvr4j

0.5403023059, 0.5403023059, 0.4161468365, 0.4161468365, 0.6536436209, 0.4161468365, 0.9601702867, 0.6536436209, 0.9601702867, 0.6536436209, 0.8390715291, 0.6536436209, 0.8438539587, 0.9601702867, 0.1455000338, 0.1455000338, 0.9576594803, 0.9601702867, 0.6603167082, 0.1455000338, 0.8438539587, 0.8390715291, 0.9999608264, 0.1455000338, 0.4080820618, 0.8438539587, 0.6603167082, 0.8438539587, 0.9626058663, 0.1455000338, 0.1542514499, 0.9576594803, 0.4080820618, 0.9576594803, 0.4241790073, 0.8438539587, 0.1279636896, 0.6603167082, 0.4241790073, 0.9576594803, 0.6669380617, 0.8438539587, 0.399985315, 0.4080820618, 0.4241790073, 0.9999608264, 0.4321779449, 0.9576594803, 0.399985315, 0.4080820618, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(cos(ϕ(n)))
ϕ(n)=Euler's totient function
n≥1
4 operations
Prime
nϕO|

Sequence 2jspzzl1qq4vk

0.5403023059, 0.9117339148, 0.4483562418, 0.3285947554, 0.3706617334, 0.7260031145, 0.2627415567, 0.9764782979, 0.9157436949, 0.6086217021, 0.725042318, 0.0979693577, 0.128036763, 0.1764350155, 0.8652126261, 0.1494938877, 0.8581715487, 0.6804936288, 0.5803010704, 0.9561739094, 0.9162170329, 0.4797031834, 0.9952748137, 0.903349589, 0.6868197711, 0.7259586776, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(cos(exp(n)))
n≥0
4 operations
N
neO|

Sequence ax5iwvr2nycyo

0.8414709848, 0.4107812905, 0.8938549549, 0.9444710089, 0.9287679362, 0.6876914117, 0.9648662469, 0.2156157083, 0.4017629715, 0.793460537, 0.6887043176, 0.9951894317, 0.9917694225, 0.9843122905, 0.5014051372, 0.9887626498, 0.5133630226, 0.7327539977, 0.8144020308, 0.2927993424, 0.4006823539, 0.8774308268, 0.097098122, 0.4289050245, 0.7268277664, 0.6877383212, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(sin(exp(n)))
n≥0
4 operations
N
neS|

Sequence jquvlgt41neik

0.8414709848, 0.5143952585, 0.4042391539, 0.8360218615, 0.6080830096, 0.2798733508, 0.8192892192, 0.684488799, 0.144987198, 0.7901969287, 0.7440230793, 0.0044256835, 0.7472099577, 0.787934141, 0.1363115189, 0.6886951996, 0.8178469909, 0.271704134, 0.6133670183, 0.8353145145, 0.3968496149, 0.5207500217, 0.8414498186, 0.5079756592, 0.4115726868, 0.8366853444, 0.6027310603, 0.2880010699, 0.8206833016, 0.680216191, 0.15364048, 0.7924054528, 0.7407750251, 0.0132763572, 0.7503360431, 0.7856166766, 0.1276147475, 0.692835629, 0.8163562757, 0.2634944957, 0.6185830662, 0.8345631096, 0.3894048165, 0.5270395918, 0.8413863138, 0.5014916033, 0.4188494895, 0.8373051457, 0.5973112092, 0.2960862334, more...

decimal, non-constant, non-monotonic, +

a(n)=sin(abs(cos(n)))
n≥0
4 operations
N
nO|S

Sequence 5acliuemagoxk

0.8414709848, 0.8414709848, 0.8414709848, 0, 0.8414709848, 0.8414709848, 0.8414709848, 0, 0, 0.8414709848, 0.8414709848, 0, 0.8414709848, 0.8414709848, 0.8414709848, 0, 0.8414709848, 0, 0.8414709848, 0, 0.8414709848, 0.8414709848, 0.8414709848, 0, 0, 0.8414709848, 0, 0, 0.8414709848, 0.8414709848, 0.8414709848, 0, 0.8414709848, 0.8414709848, 0.8414709848, 0, 0.8414709848, 0.8414709848, 0.8414709848, 0, 0.8414709848, 0.8414709848, 0.8414709848, 0, 0, 0.8414709848, 0.8414709848, 0, 0, 0, more...

decimal, non-constant, non-monotonic, +0

a(n)=sin(abs(μ(n)))
μ(n)=Möbius function
n≥1
4 operations
Prime
nμ|S

Sequence py5vjinoutjli

0.8414709848, 0.8414709848, 0.9092974268, 0.9092974268, 0.7568024953, 0.9092974268, 0.2794154982, 0.7568024953, 0.2794154982, 0.7568024953, 0.5440211109, 0.7568024953, 0.536572918, 0.2794154982, 0.9893582466, 0.9893582466, 0.2879033167, 0.2794154982, 0.7509872468, 0.9893582466, 0.536572918, 0.5440211109, 0.0088513093, 0.9893582466, 0.9129452507, 0.536572918, 0.7509872468, 0.536572918, 0.2709057883, 0.9893582466, 0.9880316241, 0.2879033167, 0.9129452507, 0.2879033167, 0.905578362, 0.536572918, 0.9917788534, 0.7509872468, 0.905578362, 0.2879033167, 0.7451131605, 0.536572918, 0.9165215479, 0.9129452507, 0.905578362, 0.0088513093, 0.9017883476, 0.2879033167, 0.9165215479, 0.9129452507, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(sin(ϕ(n)))
ϕ(n)=Euler's totient function
n≥1
4 operations
Prime
nϕS|

Sequence mxzpyuybakm3b

0.8414709848, 0.9092974268, 0.9092974268, 0.1411200081, 0.9092974268, 0.7568024953, 0.9092974268, 0.7568024953, 0.1411200081, 0.7568024953, 0.9092974268, 0.2794154982, 0.9092974268, 0.7568024953, 0.7568024953, 0.9589242747, 0.9092974268, 0.2794154982, 0.9092974268, 0.2794154982, 0.7568024953, 0.7568024953, 0.9092974268, 0.9893582466, 0.1411200081, 0.7568024953, 0.7568024953, 0.2794154982, 0.9092974268, 0.9893582466, 0.9092974268, 0.2794154982, 0.7568024953, 0.7568024953, 0.7568024953, 0.4121184852, 0.9092974268, 0.7568024953, 0.7568024953, 0.9893582466, 0.9092974268, 0.9893582466, 0.9092974268, 0.2794154982, 0.2794154982, 0.7568024953, 0.9092974268, 0.5440211109, 0.1411200081, 0.2794154982, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(sin(τ(n)))
τ(n)=number of divisors of n
n≥1
4 operations
Prime
nτS|

Sequence fcf3uaodb2nvi

0.9092974268, 0.1411200081, 0.9589242747, 0.6569865987, 0.9999902066, 0.4201670368, 0.9613974919, 0.1498772097, 0.8462204042, 0.6636338842, 0.4040376453, 0.6435381334, 0.1586226688, 0.8317747426, 0.1235731227, 0.3959251502, 0.6367380071, 0.96611777, 0.855519979, 0.9510546533, 0.6767719569, 0.4441126687, 0.9683644611, 0.8600694058, 0.379607739, 0.4520257872, 0.6229886314, 0.1847817446, 0.8167426066, 0.0971819059, 0.9726300672, 0.8116033871, 0.9425144546, 0.6960801312, 0.9746486481, 0.2021498814, 0.0795485429, 0.3549101758, 0.4755501869, 0.2108105329, 0.0707221672, 0.9364514001, 0.5949085485, 0.9784565746, 0.7958058429, 0.8817988361, 0.4910478539, 0.0530534853, 0.7210585971, 0.3299623697, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(sin(p(n)))
p(n)=nth prime
n≥0
4 operations
Prime
npS|

Sequence 3ocr5dfvwzdrc

1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, -1, -9, more...

integer, non-constant, non-monotonic, +-

a(n)=abs(a(n-1))-10
a(0)=1
n≥0
4 operations
Recursive
r|10-

Sequence vwikwiy05b0ql

1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, -1, -8, more...

integer, non-constant, non-monotonic, +-

a(n)=abs(a(n-1))-9
a(0)=1
n≥0
4 operations
Recursive
r|9-

Sequence x4d1hstq043le

1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, -1, -7, more...

integer, non-constant, non-monotonic, +-

a(n)=abs(a(n-1))-8
a(0)=1
n≥0
4 operations
Recursive
r|8-

Sequence rs3urxrmb20k

1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, -1, -6, more...

integer, non-constant, non-monotonic, +-

a(n)=abs(a(n-1))-7
a(0)=1
n≥0
4 operations
Recursive
r|7-

Sequence b3haere3134ah

1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, -1, -5, more...

integer, non-constant, non-monotonic, +-

a(n)=abs(a(n-1))-6
a(0)=1
n≥0
4 operations
Recursive
r|6-

Sequence urbbhgjusev4f

1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, -1, -4, more...

integer, non-constant, non-monotonic, +-

a(n)=abs(a(n-1))-5
a(0)=1
n≥0
4 operations
Recursive
r|5-

Sequence d1i0kx2thcnfb

1, -3, -7, -19, -71, -359, -2423, -21589, -244481, -3413801, more...

integer, non-constant, strictly-monotonic, +-

a(n)=-p(abs(a(n-1)))
a(0)=1
p(n)=nth prime
n≥0
4 operations
PrimeRecursive
r|p~

Sequence pqj5xmgtteplj

1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, -1, -3, more...

integer, non-constant, non-monotonic, +-

a(n)=abs(a(n-1))-4
a(0)=1
n≥0
4 operations
Recursive
r|4-

Sequence fktzjqgo1ymwd

1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, 1, -3, more...

integer, non-constant, periodic, non-monotonic, +-

a(n)=(-3)^(n%2)
n≥0
6 operations
N
3~n2%^
a(n)=-a(n-1)-2
a(0)=1
n≥0
4 operations
Recursive
r~2-
a(n)=p(abs(a(n-1)))-6
a(0)=1
p(n)=nth prime
n≥0
5 operations
PrimeRecursive
r|p6-

Sequence tkd23zeyfc5oo

1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, -1, -2.1415926536, more...

decimal, non-constant, non-monotonic, +-

a(n)=abs(a(n-1))-π
a(0)=1
Pi (3.141...)
n≥0
4 operations
Recursive
r|π-

Sequence tqkxr13g1gdeo

1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, -1, -2, more...

integer, non-constant, non-monotonic, +-

a(n)=abs(a(n-1))-3
a(0)=1
n≥0
4 operations
Recursive
r|3-

Sequence hfe1rs2anpgbo

1, -1.5574077247, -74.6859333988, -0.8635188549, -1.1698563551, -2.3590377342, -0.994329619, -1.5381535569, -30.623773508, -1.0136018143, -1.6050123678, -29.2146517707, -1.3701487455, -4.9167999905, -4.8237768261, -8.9404801577, -0.5260857889, -0.580671062, -0.6561279832, -0.7699191877, -0.9695115437, -1.4576737055, -8.8022251344, -0.7177699669, -0.8731301134, -1.1928808263, -2.5189063581, -0.7179722179, -0.8734866146, -1.1937449837, -2.525267346, -0.7083759388, -0.8567086986, -1.1538533121, -2.2577904353, -1.2190733997, -2.7249276145, -0.4425784376, -0.4739342704, -0.5129252615, -0.5632055447, -0.6314240774, -0.7312981266, -0.8972580163, -1.2530863851, -3.0409021585, -0.1010321668, -0.1013773381, -0.1017260691, -0.1020784213, more...

decimal, non-constant, non-monotonic, +-

a(n)=-abs(tan(a(n-1)))
a(0)=1
n≥0
4 operations
Recursive
rW|~

Sequence n5rgkt02wpesf

1, -1.5574077247, -74.6859333988, 0.8635188549, -1.1698563551, -2.3590377342, 0.994329619, -1.5381535569, -30.623773508, 1.0136018143, -1.6050123678, 29.2146517707, -1.3701487455, -4.9167999905, 4.8237768261, 8.9404801577, 0.5260857889, -0.580671062, -0.6561279832, -0.7699191877, -0.9695115437, -1.4576737055, -8.8022251344, 0.7177699669, -0.8731301134, -1.1928808263, -2.5189063581, 0.7179722179, -0.8734866146, -1.1937449837, -2.525267346, 0.7083759388, -0.8567086986, -1.1538533121, -2.2577904353, 1.2190733997, -2.7249276145, 0.4425784376, -0.4739342704, -0.5129252615, -0.5632055447, -0.6314240774, -0.7312981266, -0.8972580163, -1.2530863851, -3.0409021585, 0.1010321668, -0.1013773381, -0.1017260691, -0.1020784213, more...

decimal, non-constant, non-monotonic, +-

a(n)=tan(-abs(a(n-1)))
a(0)=1
n≥0
4 operations
Recursive
r|~W

Sequence mssiwfhxtvjbf

1, -0.9117339148, -0.7942897031, -0.5988563553, -0.2466673287, 0.2869515389, 0.2361838269, 0.2997105461, 0.2195256022, 0.3196031033, 0.1929963838, 0.3503248584, 0.1506914844, 0.396919698, 0.0834626244, 0.4651036932, -0.0213813223, 0.5219920655, -0.1143347891, 0.4346673934, 0.0263439992, 0.5176501973, -0.1070778471, 0.4419536788, 0.0150520834, 0.5274789644, -0.1235418676, 0.4253050845, 0.0407279136, 0.504866807, -0.0858626558, 0.4627897541, -0.0177020804, 0.5251885257, -0.1196935887, 0.4292343578, 0.0347083695, 0.510252699, -0.0947732869, 0.4541222323, -0.0039941385, 0.5369303152, -0.1394946056, 0.4087680017, 0.065786251, 0.4818790626, -0.0482988371, 0.4980183697, -0.0745916788, 0.4735810025, more...

decimal, non-constant, non-monotonic, +-

a(n)=cos(exp(abs(a(n-1))))
a(0)=1
n≥0
4 operations
Recursive
r|eO

Sequence dgsat0tz0kxpc

1, -0.8414709848, -0.7456241417, -0.6784304774, -0.627571832, -0.5871809966, -0.5540163908, -0.5261070755, -0.5021706763, -0.4813293553, -0.4629578985, -0.4465965934, -0.4318984333, -0.418595661, -0.406477765, -0.395376547, -0.3851557131, -0.3757034468, -0.3669270011, -0.3587486881, -0.351102859, -0.3439335943, -0.3371929169, -0.3308393911, -0.3248370136, -0.3191543275, -0.3137637059, -0.3086407708, -0.3037639155, -0.2991139106, -0.2946735773, -0.2904275127, -0.2863618603, -0.2824641153, -0.2787229586, -0.275128116, -0.2716702368, -0.2683407895, -0.2651319715, -0.2620366305, -0.2590481967, -0.2561606224, -0.2533683302, -0.2506661666, -0.2480493614, -0.2455134918, -0.2430544503, -0.2406684166, -0.2383518317, -0.2361013758, more...

decimal, non-constant, non-monotonic, +-

a(n)=sin(-abs(a(n-1)))
a(0)=1
n≥0
4 operations
Recursive
r|~S

Sequence ckwx35i1ivusp

1, -0.1726037463, -1.7617270781, -0.0183391091, -3.9987754469, -0.2797119097, -1.2870690686, -0.0408024987, -3.1992894454, -2.8531085901, -1.2570246256, -0.0500559457, -2.9950316194, -1.9238959112, -0.0636798378, -2.7545632301, -0.974345707, -0.1895461401, -1.6691179447, -0.0048413782, -5.3305597511, -0.2046408606, -1.5934881519, -0.0002574816, -8.2645624565, -0.0867687008, -2.4457644286, -0.4446925292, -0.8435507779, -0.2916788048, -1.2463219165, -0.0535923342, -2.9268279757, -1.5459115367, -0.0003096584, -8.0800409756, -0.0257720503, -3.6585753976, -0.7046947025, -0.4341712944, -0.8659333952, -0.2722020164, -1.3135904143, -0.0334487123, -3.3979284644, -1.3722423614, -0.0198427356, -3.9199829275, -0.3536308214, -1.0604318251, more...

decimal, non-constant, non-monotonic, +-

a(n)=ln(abs(sin(a(n-1))))
a(0)=1
n≥0
4 operations
Recursive
rS|l

Sequence jaiuecv3ve41

1, 0, -2, -1, -3, -2, -4, -3, -5, -4, -6, -5, -7, -6, -8, -7, -9, -8, -10, -9, -11, -10, -12, -11, -13, -12, -14, -13, -15, -14, -16, -15, -17, -16, -18, -17, -19, -18, -20, -19, -21, -20, -22, -21, -23, -22, -24, -23, -25, -24, more...

integer, non-constant, non-monotonic, +-0

a(n)=abs(a(n-1))-n
a(0)=1
n≥0
4 operations
Recursive
r|n-

Sequence 2jmtin1llya4

1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, more...

integer, non-constant, non-monotonic, +-0

a(n)=(1-n)%2
n≥0
5 operations
N
1n-2%
a(n)=abs(a(n-1))-1
a(0)=1
n≥0
4 operations
Recursive
r|1-
a(n)=p(abs(a(n-1)))-3
a(0)=1
p(n)=nth prime
n≥0
5 operations
PrimeRecursive
r|p3-

Sequence rinyclz3nzuwd

1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, more...

integer, non-constant, non-monotonic, +0

a(n)=abs(floor(cos(n)))
n≥0
4 operations
N
nOf|

Sequence ezvdmx0zeeyjl

1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, more...

integer, non-constant, non-monotonic, +0

a(n)=abs(n-1)
n≥0
4 operations
N
n1-|

Sequence o3nlomex1eqjc

1, 0.0133882021, 0.5763404979, 0.9898574333, 0.4013360351, 0.9715935704, 0.9579556678, 0.6437191365, 0.869540028, 0.899437457, 0.7970747336, 0.9704217544, 0.8045613085, 0.8947071841, 0.5723550829, 0.6554685946, 0.9551494579, 0.9385736302, 0.4200338453, 0.9885323015, 0.6181323982, 0.043284272, 0.9999608243, 0.0173558851, 0.534655783, 0.9910985866, 0.3820769994, 0.9912860075, 0.9606593771, 0.6316296699, 0.992549461, 0.9040281537, 0.7893750108, 0.9963719188, 0.8118404584, 0.8898341707, 0.1033259835, 0.6668883174, 0.9522390595, 0.8902230422, 0.4381875952, 0.9871224465, 0.6598293742, 0.0723457304, 0.9998432759, 0.0489592833, 0.4932458915, 0.9922564568, 0.362239156, 0.9995096973, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(cos(tan(n)))
n≥0
4 operations
N
nWO|

Sequence xkd351lt0lsmh

1, 0.4430227241, -0.745539048, -0.0798028, -2.5260706978, -0.346483972, -1.0187414244, 0.4846120223, -0.6415285635, -0.2917939186, -1.2027485459, 0.9529055697, 0.3414633194, -1.0345559447, 0.5203195787, -0.5568935536, -0.4738021161, -0.6679505978, -0.237085498, -1.4203482487, 1.8865522724, 1.1187562419, 0.7224242542, -0.1262821269, -2.0639011785, 0.6210442798, -0.3347922724, -1.0558740291, 0.5694456807, -0.4459953121, -0.7378821854, -0.0951753199, -2.3490087705, 0.0143719341, -4.242409143, 0.6773909008, -0.2177143473, -1.5085944551, 2.7760793312, -0.9604765801, 0.3575397355, -0.9845786409, 0.4093353169, -0.8350767378, 0.0995210263, -2.3040772077, 0.1044238279, -2.2556533376, 0.2024512629, -1.5834617437, more...

decimal, non-constant, non-monotonic, +-

a(n)=ln(abs(tan(a(n-1))))
a(0)=1
n≥0
4 operations
Recursive
rW|l

Sequence jhak4htcaebvg

1, 0.5403023059, 0.1559436948, 0.1605565386, 0.4161468365, 0.6172728765, 0.7699057297, 0.8795687341, 0.9513631281, 0.9899924966, 0.9997860729, 0.9847209431, 0.9484431958, 0.8942880586, 0.8252990621, 0.7442462714, 0.6536436209, 0.5557653904, 0.4526618573, 0.3461741579, 0.237948392, 0.1294490013, 0.0219714524, 0.0833457463, 0.1855096654, 0.2836621855, 0.3770698125, 0.4651140517, 0.547282316, 0.623159345, 0.6924191116, 0.7548171959, 0.8101836031, 0.8584160073, 0.8994734, 0.9333701258, 0.9601702867, 0.9799824975, 0.9929549763, 0.9992709533, 0.999144383, 0.9928159448, 0.9805493177, 0.9626277158, 0.9393506717, 0.9110310532, 0.877992305, 0.8405659001, 0.7990889915, 0.7539022543, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(cos(sqrt(n)))
n≥0
4 operations
N
nQO|

Sequence xr1x5nzod5tnk

1, 0.5403023059, 0.5403023059, 0.4161468365, 0.5403023059, 0.4161468365, 0.5403023059, 0.9899924966, 0.4161468365, 0.4161468365, 0.5403023059, 0.9899924966, 0.5403023059, 0.4161468365, 0.4161468365, 0.6536436209, 0.5403023059, 0.9899924966, 0.5403023059, 0.9899924966, 0.4161468365, 0.4161468365, 0.5403023059, 0.6536436209, 0.4161468365, 0.4161468365, 0.9899924966, 0.9899924966, 0.5403023059, 0.9899924966, 0.5403023059, 0.2836621855, 0.4161468365, 0.4161468365, 0.4161468365, 0.6536436209, 0.5403023059, 0.4161468365, 0.4161468365, 0.6536436209, 0.5403023059, 0.9899924966, 0.5403023059, 0.9899924966, 0.9899924966, 0.4161468365, 0.5403023059, 0.2836621855, 0.4161468365, 0.9899924966, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(cos(Ω(n)))
Ω(n)=max factorization terms
n≥1
4 operations
Prime
nΩO|

Sequence elrzvsg3xvzaj

1, 0.7350525871, 0.64509444, 0.9949836665, 0.8084822947, 0.5325994606, 0.9798827923, 0.8682754484, 0.3814446668, 0.9545314358, 0.9160084765, 0.0665259197, 0.9186152398, 0.9526000113, 0.3697799592, 0.8716007761, 0.9786007768, 0.5245601377, 0.8125987375, 0.9943362702, 0.6388130101, 0.7400873328, 0.999980413, 0.7299541221, 0.6512902635, 0.9955916893, 0.8043129505, 0.5404986667, 0.9811247965, 0.8649031909, 0.3927485836, 0.9564216423, 0.913358287, 0.1152247683, 0.921178742, 0.9506272693, 0.3577201275, 0.87487945, 0.9772786931, 0.5163747983, 0.8166627588, 0.9936494742, 0.6324439224, 0.7450592604, 0.9999216513, 0.7247909966, 0.6574024223, 0.9961603632, 0.8000902071, 0.5482632066, more...

decimal, non-constant, non-monotonic, +

a(n)=sqrt(abs(cos(n)))
n≥0
4 operations
N
nO|Q

Sequence uqje4x03fk5ce

1, 0.7692389014, 0.4548324228, 0.1834569747, 0.0386319699, 0.21916945, 0.3663784392, 0.486994418, 0.5862549343, 0.6682015102, 0.7359704176, 0.7920197566, 0.8382974881, 0.8763642436, 0.9074833045, 0.9326870768, 0.9528267246, 0.9686096452, 0.9806280846, 0.9893812212, 0.9952923848, 0.9987226107, 0.9999814046, 0.9993353649, 0.9970151418, 0.9932210953, 0.9881279271, 0.9818884968, 0.974636983, 0.9664915194, 0.9575564018, 0.9479239466, 0.9376760626, 0.9268855859, 0.9156174186, 0.9039295044, 0.8918736661, 0.8794963288, 0.8668391448, 0.8539395371, 0.8408311718, 0.8275443706, 0.8141064723, 0.80054215, 0.7868736902, 0.7731212384, 0.7593030175, 0.7454355198, 0.7315336786, 0.7176110201, more...

decimal, non-constant, non-monotonic, +

a(n)=abs(cos(ln(n)))
n≥1
4 operations
N
nlO|