Sequence Database

A database with 899757 machine generated integer and decimal sequences.

Displaying result 0-99 of total 58798. [0] [1] [2] [3] [4] ... [587]

Sequence ruijxnqgy4eab

1, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, more...

integer, strictly-monotonic, +, A018252

a(n)=composite(n)
composite(n)=nth composite number
n≥1
2 operations
Prime

Sequence xojyybe3trmub

2, 4, 8, 14, 22, 33, 48, 66, 90, 120, 156, 202, 256, 322, 400, 494, 604, 734, 888, 1067, 1272, 1512, 1790, 2107, 2472, 2890, 3364, 3903, 4515, 5207, 5990, 6875, 7868, 8984, 10238, 11637, 13207, 14959, 16909, 19075, 21483, 24173, 27149, 30436, 34080, 38103, 42552, 47444, 52835, more...

integer, strictly-monotonic, +, A025003

a(n)=composite(a(n-1))
a(0)=2
composite(n)=nth composite number
n≥0
2 operations
Prime

Sequence mbnayqzaowaup

3, 6, 10, 16, 25, 36, 51, 70, 94, 124, 161, 207, 262, 328, 407, 502, 614, 746, 900, 1080, 1288, 1529, 1808, 2127, 2494, 2915, 3393, 3939, 4556, 5253, 6040, 6930, 7931, 9056, 10322, 11729, 13308, 15067, 17031, 19208, 21637, 24340, 27330, 30633, 34296, 38344, 42820, 47742, 53166, more...

integer, strictly-monotonic, +, A025004

a(n)=composite(a(n-1))
a(0)=3
composite(n)=nth composite number
n≥0
2 operations
Prime

Sequence u5twwkxrj3hgo

4, 8, 14, 22, 33, 48, 66, 90, 120, 156, 202, 256, 322, 400, 494, 604, 734, 888, 1067, 1272, 1512, 1790, 2107, 2472, 2890, 3364, 3903, 4515, 5207, 5990, 6875, 7868, 8984, 10238, 11637, 13207, 14959, 16909, 19075, 21483, 24173, 27149, 30436, 34080, 38103, 42552, 47444, 52835, more...

integer, strictly-monotonic, +

a(n)=composite(a(n-1))
a(0)=4
composite(n)=nth composite number
n≥0
2 operations
Prime

Sequence 4hswfjdgkyzcc

5, 9, 15, 24, 35, 50, 69, 93, 123, 160, 206, 261, 327, 406, 501, 612, 744, 898, 1078, 1286, 1527, 1806, 2125, 2492, 2913, 3390, 3936, 4553, 5250, 6036, 6926, 7926, 9051, 10316, 11723, 13302, 15060, 17022, 19198, 21627, 24328, 27317, 30619, 34281, 38326, 42802, 47722, 53143, more...

integer, strictly-monotonic, +, A025005

a(n)=composite(a(n-1))
a(0)=5
composite(n)=nth composite number
n≥0
2 operations
Prime

Sequence 1xs3yznmcsgmf

-1, -4, -6, -8, -9, -10, -12, -14, -15, -16, -18, -20, -21, -22, -24, -25, -26, -27, -28, -30, -32, -33, -34, -35, -36, -38, -39, -40, -42, -44, -45, -46, -48, -49, -50, -51, -52, -54, -55, -56, -57, -58, -60, -62, -63, -64, -65, -66, -68, -69, more...

integer, strictly-monotonic, -

a(n)=-composite(n)
composite(n)=nth composite number
n≥1
3 operations
Prime

Sequence wubcxmj5paeag

1, 8, 15, 25, 36, 51, 68, 87, 110, 132, 158, 186, 216, 249, 286, 322, 361, 403, 447, 494, 540, 591, 646, 702, 759, 817, 880, 944, 1010, 1080, 1150, 1224, 1300, 1376, 1456, 1538, 1626, 1711, 1799, 1890, 1980, 2076, 2175, 2274, 2376, 2483, 2585, 2696, 2810, 2922, more...

integer, strictly-monotonic, +

a(n)=composite(n²)
composite(n)=nth composite number
n≥1
3 operations
Prime

Sequence zx0xk2fkxjqtn

1, 16, 36, 64, 81, 100, 144, 196, 225, 256, 324, 400, 441, 484, 576, 625, 676, 729, 784, 900, 1024, 1089, 1156, 1225, 1296, 1444, 1521, 1600, 1764, 1936, 2025, 2116, 2304, 2401, 2500, 2601, 2704, 2916, 3025, 3136, 3249, 3364, 3600, 3844, 3969, 4096, 4225, 4356, 4624, 4761, more...

integer, strictly-monotonic, +, A062312

a(n)=composite(n)²
composite(n)=nth composite number
n≥1
3 operations
Prime

Sequence ubthh4gqmr3nh

1, 1, 2, 1, 4, 3, 2, 3, 4, 1, 4, 3, 8, 5, 2, 7, 5, 8, 3, 4, 1, 6, 5, 9, 4, 7, 10, 3, 8, 5, 12, 7, 2, 9, 7, 12, 5, 8, 11, 3, 10, 7, 4, 5, 6, 1, 7, 6, 5, 14, more...

integer, non-monotonic, +

a(n)=stern(composite(n))
composite(n)=nth composite number
stern(n)=Stern-Brocot sequence
n≥1
3 operations
Prime

Sequence fdji3xkdhoo5k

1, 1, 4, 1, 6, 4, 6, 1, 8, 6, 9, 4, 9, 6, 8, 1, 9, 8, 12, 6, 14, 9, 12, 4, 12, 9, 14, 6, 12, 8, 9, 1, 10, 9, 15, 8, 18, 12, 16, 6, 18, 14, 21, 9, 20, 12, 15, 4, 15, 12, more...

integer, non-monotonic, +

a(n)=composite(stern(n))
stern(n)=Stern-Brocot sequence
composite(n)=nth composite number
n≥1
3 operations
Prime

Sequence fx5enwhpgsegb

-9, -6, -4, -2, -1, 0, 2, 4, 5, 6, 8, 10, 11, 12, 14, 15, 16, 17, 18, 20, 22, 23, 24, 25, 26, 28, 29, 30, 32, 34, 35, 36, 38, 39, 40, 41, 42, 44, 45, 46, 47, 48, 50, 52, 53, 54, 55, 56, 58, 59, more...

integer, strictly-monotonic, +-

a(n)=composite(n)-10
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence ildm4w3hkao5

-8, -5, -3, -1, 0, 1, 3, 5, 6, 7, 9, 11, 12, 13, 15, 16, 17, 18, 19, 21, 23, 24, 25, 26, 27, 29, 30, 31, 33, 35, 36, 37, 39, 40, 41, 42, 43, 45, 46, 47, 48, 49, 51, 53, 54, 55, 56, 57, 59, 60, more...

integer, strictly-monotonic, +-

a(n)=composite(n)-9
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence emx1e2zhz1i1k

-7, -4, -2, 0, 1, 2, 4, 6, 7, 8, 10, 12, 13, 14, 16, 17, 18, 19, 20, 22, 24, 25, 26, 27, 28, 30, 31, 32, 34, 36, 37, 38, 40, 41, 42, 43, 44, 46, 47, 48, 49, 50, 52, 54, 55, 56, 57, 58, 60, 61, more...

integer, strictly-monotonic, +-

a(n)=composite(n)-8
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 3ufme3fo1t3j

-6, -3, -1, 1, 2, 3, 5, 7, 8, 9, 11, 13, 14, 15, 17, 18, 19, 20, 21, 23, 25, 26, 27, 28, 29, 31, 32, 33, 35, 37, 38, 39, 41, 42, 43, 44, 45, 47, 48, 49, 50, 51, 53, 55, 56, 57, 58, 59, 61, 62, more...

integer, strictly-monotonic, +-

a(n)=composite(n)-7
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence odkhynbm2ychc

-5, -2, 0, 2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 22, 24, 26, 27, 28, 29, 30, 32, 33, 34, 36, 38, 39, 40, 42, 43, 44, 45, 46, 48, 49, 50, 51, 52, 54, 56, 57, 58, 59, 60, 62, 63, more...

integer, strictly-monotonic, +-

a(n)=composite(n)-6
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence yjvverotkguwc

-4, -1, 1, 3, 4, 5, 7, 9, 10, 11, 13, 15, 16, 17, 19, 20, 21, 22, 23, 25, 27, 28, 29, 30, 31, 33, 34, 35, 37, 39, 40, 41, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 55, 57, 58, 59, 60, 61, 63, 64, more...

integer, strictly-monotonic, +-

a(n)=composite(n)-5
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence qnbqpctbxtf4c

-3, 0, 2, 4, 5, 6, 8, 10, 11, 12, 14, 16, 17, 18, 20, 21, 22, 23, 24, 26, 28, 29, 30, 31, 32, 34, 35, 36, 38, 40, 41, 42, 44, 45, 46, 47, 48, 50, 51, 52, 53, 54, 56, 58, 59, 60, 61, 62, 64, 65, more...

integer, strictly-monotonic, +-

a(n)=composite(n)-4
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 3nxzerpda4cye

-2.1415926536, 0.8584073464, 2.8584073464, 4.8584073464, 5.8584073464, 6.8584073464, 8.8584073464, 10.8584073464, 11.8584073464, 12.8584073464, 14.8584073464, 16.8584073464, 17.8584073464, 18.8584073464, 20.8584073464, 21.8584073464, 22.8584073464, 23.8584073464, 24.8584073464, 26.8584073464, 28.8584073464, 29.8584073464, 30.8584073464, 31.8584073464, 32.8584073464, more...

decimal, strictly-monotonic, +-

a(n)=composite(n)-π
composite(n)=nth composite number
π=3.141...
n≥1
4 operations
Prime

Sequence yeeocevencv4p

-2, 1, 3, 5, 6, 7, 9, 11, 12, 13, 15, 17, 18, 19, 21, 22, 23, 24, 25, 27, 29, 30, 31, 32, 33, 35, 36, 37, 39, 41, 42, 43, 45, 46, 47, 48, 49, 51, 52, 53, 54, 55, 57, 59, 60, 61, 62, 63, 65, 66, more...

integer, strictly-monotonic, +-

a(n)=composite(n)-3
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 2upgjmnduv0lc

-1, 2, 4, 6, 7, 8, 10, 12, 13, 14, 16, 18, 19, 20, 22, 23, 24, 25, 26, 28, 30, 31, 32, 33, 34, 36, 37, 38, 40, 42, 43, 44, 46, 47, 48, 49, 50, 52, 53, 54, 55, 56, 58, 60, 61, 62, 63, 64, 66, 67, more...

integer, strictly-monotonic, +-

a(n)=composite(n)-2
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence tsl0be3g3f4dh

0, -3, -5, -7, -8, -9, -11, -13, -14, -15, -17, -19, -20, -21, -23, -24, -25, -26, -27, -29, -31, -32, -33, -34, -35, -37, -38, -39, -41, -43, -44, -45, -47, -48, -49, -50, -51, -53, -54, -55, -56, -57, -59, -61, -62, -63, -64, -65, -67, -68, more...

integer, strictly-monotonic, -

a(n)=1-composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence yhxqdcscmni5b

0, 3, 5, 7, 8, 9, 11, 13, 14, 15, 17, 19, 20, 21, 23, 24, 25, 26, 27, 29, 31, 32, 33, 34, 35, 37, 38, 39, 41, 43, 44, 45, 47, 48, 49, 50, 51, 53, 54, 55, 56, 57, 59, 61, 62, 63, 64, 65, 67, 68, more...

integer, strictly-monotonic, +

a(n)=composite(n)-1
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 2gj1r2jrkh5hb

0.1, 0.4, 0.6, 0.8, 0.9, 1, 1.2, 1.4, 1.5, 1.6, 1.8, 2, 2.1, 2.2, 2.4, 2.5, 2.6, 2.7, 2.8, 3, 3.2, 3.3, 3.4, 3.5, 3.6, more...

decimal, strictly-monotonic, +

a(n)=composite(n)/10
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 1tynoqvdwturc

0.1111111111, 0.4444444444, 0.6666666667, 0.8888888889, 1, 1.1111111111, 1.3333333333, 1.5555555556, 1.6666666667, 1.7777777778, 2, 2.2222222222, 2.3333333333, 2.4444444444, 2.6666666667, 2.7777777778, 2.8888888889, 3, 3.1111111111, 3.3333333333, 3.5555555556, 3.6666666667, 3.7777777778, 3.8888888889, 4, more...

decimal, strictly-monotonic, +

a(n)=composite(n)/9
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence akvi1ca3xdpcp

0.125, 0.5, 0.75, 1, 1.125, 1.25, 1.5, 1.75, 1.875, 2, 2.25, 2.5, 2.625, 2.75, 3, 3.125, 3.25, 3.375, 3.5, 3.75, 4, 4.125, 4.25, 4.375, 4.5, more...

decimal, strictly-monotonic, +

a(n)=composite(n)/8
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 5zinf1awgesjf

0.1428571429, 0.5714285714, 0.8571428571, 1.1428571429, 1.2857142857, 1.4285714286, 1.7142857143, 2, 2.1428571429, 2.2857142857, 2.5714285714, 2.8571428571, 3, 3.1428571429, 3.4285714286, 3.5714285714, 3.7142857143, 3.8571428571, 4, 4.2857142857, 4.5714285714, 4.7142857143, 4.8571428571, 5, 5.1428571429, more...

decimal, strictly-monotonic, +

a(n)=composite(n)/7
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence hwymmpmk5mdfm

0.1666666667, 0.6666666667, 1, 1.3333333333, 1.5, 1.6666666667, 2, 2.3333333333, 2.5, 2.6666666667, 3, 3.3333333333, 3.5, 3.6666666667, 4, 4.1666666667, 4.3333333333, 4.5, 4.6666666667, 5, 5.3333333333, 5.5, 5.6666666667, 5.8333333333, 6, more...

decimal, strictly-monotonic, +

a(n)=composite(n)/6
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence cggagqx0mrx2n

0.2, 0.8, 1.2, 1.6, 1.8, 2, 2.4, 2.8, 3, 3.2, 3.6, 4, 4.2, 4.4, 4.8, 5, 5.2, 5.4, 5.6, 6, 6.4, 6.6, 6.8, 7, 7.2, more...

decimal, strictly-monotonic, +

a(n)=composite(n)/5
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence avy4av3eles5l

0.25, 1, 1.5, 2, 2.25, 2.5, 3, 3.5, 3.75, 4, 4.5, 5, 5.25, 5.5, 6, 6.25, 6.5, 6.75, 7, 7.5, 8, 8.25, 8.5, 8.75, 9, more...

decimal, strictly-monotonic, +

a(n)=composite(n)/4
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence fgh3ugn2tftk

0.3183098862, 1.2732395447, 1.9098593171, 2.5464790895, 2.8647889757, 3.1830988618, 3.8197186342, 4.4563384066, 4.7746482928, 5.0929581789, 5.7295779513, 6.3661977237, 6.6845076099, 7.002817496, 7.6394372684, 7.9577471546, 8.2760570408, 8.594366927, 8.9126768131, 9.5492965855, 10.1859163579, 10.5042262441, 10.8225361302, 11.1408460164, 11.4591559026, more...

decimal, strictly-monotonic, +

a(n)=composite(n)/π
composite(n)=nth composite number
π=3.141...
n≥1
4 operations
Prime

Sequence 4l2dhgw1robid

0.3333333333, 1.3333333333, 2, 2.6666666667, 3, 3.3333333333, 4, 4.6666666667, 5, 5.3333333333, 6, 6.6666666667, 7, 7.3333333333, 8, 8.3333333333, 8.6666666667, 9, 9.3333333333, 10, 10.6666666667, 11, 11.3333333333, 11.6666666667, 12, more...

decimal, strictly-monotonic, +

a(n)=composite(n)/3
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence sec42jgwi5skj

0.5, 2, 3, 4, 4.5, 5, 6, 7, 7.5, 8, 9, 10, 10.5, 11, 12, 12.5, 13, 13.5, 14, 15, 16, 16.5, 17, 17.5, 18, more...

decimal, strictly-monotonic, +

a(n)=composite(n)/2
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence z4fyu5q2vvjec

1, -2, -4, -6, -7, -8, -10, -12, -13, -14, -16, -18, -19, -20, -22, -23, -24, -25, -26, -28, -30, -31, -32, -33, -34, -36, -37, -38, -40, -42, -43, -44, -46, -47, -48, -49, -50, -52, -53, -54, -55, -56, -58, -60, -61, -62, -63, -64, -66, -67, more...

integer, strictly-monotonic, +-

a(n)=2-composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 0141umra3icak

1, 0.25, 0.1666666667, 0.125, 0.1111111111, 0.1, 0.0833333333, 0.0714285714, 0.0666666667, 0.0625, 0.0555555556, 0.05, 0.0476190476, 0.0454545455, 0.0416666667, 0.04, 0.0384615385, 0.037037037, 0.0357142857, 0.0333333333, 0.03125, 0.0303030303, 0.0294117647, 0.0285714286, 0.0277777778, more...

decimal, strictly-monotonic, +

a(n)=1/composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence dt4al1gnjtpyc

2, -1, -3, -5, -6, -7, -9, -11, -12, -13, -15, -17, -18, -19, -21, -22, -23, -24, -25, -27, -29, -30, -31, -32, -33, -35, -36, -37, -39, -41, -42, -43, -45, -46, -47, -48, -49, -51, -52, -53, -54, -55, -57, -59, -60, -61, -62, -63, -65, -66, more...

integer, strictly-monotonic, +-

a(n)=3-composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence oogj1ktbaywcd

2, 0.5, 0.3333333333, 0.25, 0.2222222222, 0.2, 0.1666666667, 0.1428571429, 0.1333333333, 0.125, 0.1111111111, 0.1, 0.0952380952, 0.0909090909, 0.0833333333, 0.08, 0.0769230769, 0.0740740741, 0.0714285714, 0.0666666667, 0.0625, 0.0606060606, 0.0588235294, 0.0571428571, 0.0555555556, more...

decimal, strictly-monotonic, +

a(n)=2/composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence wa1pi1ngzrizm

2, 5, 7, 9, 10, 11, 13, 15, 16, 17, 19, 21, 22, 23, 25, 26, 27, 28, 29, 31, 33, 34, 35, 36, 37, 39, 40, 41, 43, 45, 46, 47, 49, 50, 51, 52, 53, 55, 56, 57, 58, 59, 61, 63, 64, 65, 66, 67, 69, 70, more...

integer, strictly-monotonic, +

a(n)=1+composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence isch3znphxwyl

2, 8, 12, 16, 18, 20, 24, 28, 30, 32, 36, 40, 42, 44, 48, 50, 52, 54, 56, 60, 64, 66, 68, 70, 72, 76, 78, 80, 84, 88, 90, 92, 96, 98, 100, 102, 104, 108, 110, 112, 114, 116, 120, 124, 126, 128, 130, 132, 136, 138, more...

integer, strictly-monotonic, +, A139270

a(n)=2*composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 4a2xgccoxytzn

2.1415926536, -0.8584073464, -2.8584073464, -4.8584073464, -5.8584073464, -6.8584073464, -8.8584073464, -10.8584073464, -11.8584073464, -12.8584073464, -14.8584073464, -16.8584073464, -17.8584073464, -18.8584073464, -20.8584073464, -21.8584073464, -22.8584073464, -23.8584073464, -24.8584073464, -26.8584073464, -28.8584073464, -29.8584073464, -30.8584073464, -31.8584073464, -32.8584073464, more...

decimal, strictly-monotonic, +-

a(n)=π-composite(n)
π=3.141...
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence bltx3gluq2egd

3, 0, -2, -4, -5, -6, -8, -10, -11, -12, -14, -16, -17, -18, -20, -21, -22, -23, -24, -26, -28, -29, -30, -31, -32, -34, -35, -36, -38, -40, -41, -42, -44, -45, -46, -47, -48, -50, -51, -52, -53, -54, -56, -58, -59, -60, -61, -62, -64, -65, more...

integer, strictly-monotonic, +-

a(n)=4-composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 5k0q2vd5wxdmo

3, 0.75, 0.5, 0.375, 0.3333333333, 0.3, 0.25, 0.2142857143, 0.2, 0.1875, 0.1666666667, 0.15, 0.1428571429, 0.1363636364, 0.125, 0.12, 0.1153846154, 0.1111111111, 0.1071428571, 0.1, 0.09375, 0.0909090909, 0.0882352941, 0.0857142857, 0.0833333333, more...

decimal, strictly-monotonic, +

a(n)=3/composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence lsmrslnfhpotc

3, 6, 8, 10, 11, 12, 14, 16, 17, 18, 20, 22, 23, 24, 26, 27, 28, 29, 30, 32, 34, 35, 36, 37, 38, 40, 41, 42, 44, 46, 47, 48, 50, 51, 52, 53, 54, 56, 57, 58, 59, 60, 62, 64, 65, 66, 67, 68, 70, 71, more...

integer, strictly-monotonic, +

a(n)=2+composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence vccdocliu0oge

3, 12, 18, 24, 27, 30, 36, 42, 45, 48, 54, 60, 63, 66, 72, 75, 78, 81, 84, 90, 96, 99, 102, 105, 108, 114, 117, 120, 126, 132, 135, 138, 144, 147, 150, 153, 156, 162, 165, 168, 171, 174, 180, 186, 189, 192, 195, 198, 204, 207, more...

integer, strictly-monotonic, +

a(n)=3*composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence czrofqgbrexim

3.1415926536, 0.7853981634, 0.5235987756, 0.3926990817, 0.3490658504, 0.3141592654, 0.2617993878, 0.2243994753, 0.2094395102, 0.1963495408, 0.1745329252, 0.1570796327, 0.1495996502, 0.1427996661, 0.1308996939, 0.1256637061, 0.1208304867, 0.1163552835, 0.1121997376, 0.1047197551, 0.0981747704, 0.0951997774, 0.0923997839, 0.0897597901, 0.0872664626, more...

decimal, strictly-monotonic, +

a(n)=π/composite(n)
π=3.141...
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence sxwosk40npep

3.1415926536, 12.5663706144, 18.8495559215, 25.1327412287, 28.2743338823, 31.4159265359, 37.6991118431, 43.9822971503, 47.1238898038, 50.2654824574, 56.5486677646, 62.8318530718, 65.9734457254, 69.115038379, 75.3982236862, 78.5398163397, 81.6814089933, 84.8230016469, 87.9645943005, 94.2477796077, 100.5309649149, 103.6725575685, 106.8141502221, 109.9557428756, 113.0973355292, more...

decimal, strictly-monotonic, +

a(n)=π*composite(n)
π=3.141...
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 00v105iprv4ke

4, 1, -1, -3, -4, -5, -7, -9, -10, -11, -13, -15, -16, -17, -19, -20, -21, -22, -23, -25, -27, -28, -29, -30, -31, -33, -34, -35, -37, -39, -40, -41, -43, -44, -45, -46, -47, -49, -50, -51, -52, -53, -55, -57, -58, -59, -60, -61, -63, -64, more...

integer, strictly-monotonic, +-

a(n)=5-composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence or4adbmutud0b

4, 1, 0.6666666667, 0.5, 0.4444444444, 0.4, 0.3333333333, 0.2857142857, 0.2666666667, 0.25, 0.2222222222, 0.2, 0.1904761905, 0.1818181818, 0.1666666667, 0.16, 0.1538461538, 0.1481481481, 0.1428571429, 0.1333333333, 0.125, 0.1212121212, 0.1176470588, 0.1142857143, 0.1111111111, more...

decimal, strictly-monotonic, +

a(n)=4/composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence ddc5xdkurptg

4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, more...

integer, strictly-monotonic, +, A002808

a(n)=composite(2+n)
composite(n)=nth composite number
n≥0
4 operations
Prime

Sequence 3utqfedbhv0cg

4, 7, 9, 11, 12, 13, 15, 17, 18, 19, 21, 23, 24, 25, 27, 28, 29, 30, 31, 33, 35, 36, 37, 38, 39, 41, 42, 43, 45, 47, 48, 49, 51, 52, 53, 54, 55, 57, 58, 59, 60, 61, 63, 65, 66, 67, 68, 69, 71, 72, more...

integer, strictly-monotonic, +

a(n)=3+composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence tf4twa2yrnd2e

4, 8, 10, 14, 16, 20, 22, 25, 27, 30, 33, 35, 38, 40, 44, 46, 49, 51, 54, 56, 58, 62, 64, 66, 69, 72, 75, 77, 80, 82, 85, 87, 90, 92, 94, 96, 99, 102, 105, 108, 111, 114, 116, 118, 120, 122, 124, 126, 129, 132, more...

integer, strictly-monotonic, +, A099861

a(n)=composite(2*n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence p2bsejpisa1mi

4, 16, 24, 32, 36, 40, 48, 56, 60, 64, 72, 80, 84, 88, 96, 100, 104, 108, 112, 120, 128, 132, 136, 140, 144, 152, 156, 160, 168, 176, 180, 184, 192, 196, 200, 204, 208, 216, 220, 224, 228, 232, 240, 248, 252, 256, 260, 264, 272, 276, more...

integer, strictly-monotonic, +

a(n)=4*composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 0erzlnxl00odi

4.1415926536, 7.1415926536, 9.1415926536, 11.1415926536, 12.1415926536, 13.1415926536, 15.1415926536, 17.1415926536, 18.1415926536, 19.1415926536, 21.1415926536, 23.1415926536, 24.1415926536, 25.1415926536, 27.1415926536, 28.1415926536, 29.1415926536, 30.1415926536, 31.1415926536, 33.1415926536, 35.1415926536, 36.1415926536, 37.1415926536, 38.1415926536, 39.1415926536, more...

decimal, strictly-monotonic, +

a(n)=π+composite(n)
π=3.141...
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence ztarymzzt25hn

5, 1.25, 0.8333333333, 0.625, 0.5555555556, 0.5, 0.4166666667, 0.3571428571, 0.3333333333, 0.3125, 0.2777777778, 0.25, 0.2380952381, 0.2272727273, 0.2083333333, 0.2, 0.1923076923, 0.1851851852, 0.1785714286, 0.1666666667, 0.15625, 0.1515151515, 0.1470588235, 0.1428571429, 0.1388888889, more...

decimal, strictly-monotonic, +

a(n)=5/composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence q5pqws4weamih

5, 2, 0, -2, -3, -4, -6, -8, -9, -10, -12, -14, -15, -16, -18, -19, -20, -21, -22, -24, -26, -27, -28, -29, -30, -32, -33, -34, -36, -38, -39, -40, -42, -43, -44, -45, -46, -48, -49, -50, -51, -52, -54, -56, -57, -58, -59, -60, -62, -63, more...

integer, strictly-monotonic, +-

a(n)=6-composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence voiiwqpzo2cfd

5, 8, 10, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 29, 30, 31, 32, 34, 36, 37, 38, 39, 40, 42, 43, 44, 46, 48, 49, 50, 52, 53, 54, 55, 56, 58, 59, 60, 61, 62, 64, 66, 67, 68, 69, 70, 72, 73, more...

integer, strictly-monotonic, +

a(n)=4+composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence fx5e2yunskeun

5, 20, 30, 40, 45, 50, 60, 70, 75, 80, 90, 100, 105, 110, 120, 125, 130, 135, 140, 150, 160, 165, 170, 175, 180, 190, 195, 200, 210, 220, 225, 230, 240, 245, 250, 255, 260, 270, 275, 280, 285, 290, 300, 310, 315, 320, 325, 330, 340, 345, more...

integer, strictly-monotonic, +

a(n)=5*composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence xci5eopwnjosj

6, 1.5, 1, 0.75, 0.6666666667, 0.6, 0.5, 0.4285714286, 0.4, 0.375, 0.3333333333, 0.3, 0.2857142857, 0.2727272727, 0.25, 0.24, 0.2307692308, 0.2222222222, 0.2142857143, 0.2, 0.1875, 0.1818181818, 0.1764705882, 0.1714285714, 0.1666666667, more...

decimal, strictly-monotonic, +

a(n)=6/composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence f2jlg3ztsbpyc

6, 3, 1, -1, -2, -3, -5, -7, -8, -9, -11, -13, -14, -15, -17, -18, -19, -20, -21, -23, -25, -26, -27, -28, -29, -31, -32, -33, -35, -37, -38, -39, -41, -42, -43, -44, -45, -47, -48, -49, -50, -51, -53, -55, -56, -57, -58, -59, -61, -62, more...

integer, strictly-monotonic, +-

a(n)=7-composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence fp0ql4x3i2uzn

6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, more...

integer, strictly-monotonic, +

a(n)=composite(3+n)
composite(n)=nth composite number
n≥0
4 operations
Prime

Sequence uroeu50lmqz1i

6, 9, 11, 13, 14, 15, 17, 19, 20, 21, 23, 25, 26, 27, 29, 30, 31, 32, 33, 35, 37, 38, 39, 40, 41, 43, 44, 45, 47, 49, 50, 51, 53, 54, 55, 56, 57, 59, 60, 61, 62, 63, 65, 67, 68, 69, 70, 71, 73, 74, more...

integer, strictly-monotonic, +

a(n)=5+composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence lflchugwrwoqh

6, 10, 15, 20, 24, 27, 32, 35, 39, 44, 48, 51, 55, 58, 63, 66, 70, 75, 78, 82, 86, 90, 93, 96, 100, 105, 110, 114, 117, 120, 123, 126, 130, 134, 138, 142, 145, 148, 153, 156, 160, 164, 168, 171, 175, 178, 183, 186, 189, 194, more...

integer, strictly-monotonic, +

a(n)=composite(3*n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 3mwqyyqbecv1l

6, 24, 36, 48, 54, 60, 72, 84, 90, 96, 108, 120, 126, 132, 144, 150, 156, 162, 168, 180, 192, 198, 204, 210, 216, 228, 234, 240, 252, 264, 270, 276, 288, 294, 300, 306, 312, 324, 330, 336, 342, 348, 360, 372, 378, 384, 390, 396, 408, 414, more...

integer, strictly-monotonic, +

a(n)=6*composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence z0imlpvfvc25j

7, 1.75, 1.1666666667, 0.875, 0.7777777778, 0.7, 0.5833333333, 0.5, 0.4666666667, 0.4375, 0.3888888889, 0.35, 0.3333333333, 0.3181818182, 0.2916666667, 0.28, 0.2692307692, 0.2592592593, 0.25, 0.2333333333, 0.21875, 0.2121212121, 0.2058823529, 0.2, 0.1944444444, more...

decimal, strictly-monotonic, +

a(n)=7/composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence rbzq0pbb5d5mf

7, 4, 2, 0, -1, -2, -4, -6, -7, -8, -10, -12, -13, -14, -16, -17, -18, -19, -20, -22, -24, -25, -26, -27, -28, -30, -31, -32, -34, -36, -37, -38, -40, -41, -42, -43, -44, -46, -47, -48, -49, -50, -52, -54, -55, -56, -57, -58, -60, -61, more...

integer, strictly-monotonic, +-

a(n)=8-composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence dw20wsnlyp5rm

7, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 26, 27, 28, 30, 31, 32, 33, 34, 36, 38, 39, 40, 41, 42, 44, 45, 46, 48, 50, 51, 52, 54, 55, 56, 57, 58, 60, 61, 62, 63, 64, 66, 68, 69, 70, 71, 72, 74, 75, more...

integer, strictly-monotonic, +

a(n)=6+composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 0id5jdihuw32n

7, 28, 42, 56, 63, 70, 84, 98, 105, 112, 126, 140, 147, 154, 168, 175, 182, 189, 196, 210, 224, 231, 238, 245, 252, 266, 273, 280, 294, 308, 315, 322, 336, 343, 350, 357, 364, 378, 385, 392, 399, 406, 420, 434, 441, 448, 455, 462, 476, 483, more...

integer, strictly-monotonic, +

a(n)=7*composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence g2lhb153qcvge

8, 2, 1.3333333333, 1, 0.8888888889, 0.8, 0.6666666667, 0.5714285714, 0.5333333333, 0.5, 0.4444444444, 0.4, 0.380952381, 0.3636363636, 0.3333333333, 0.32, 0.3076923077, 0.2962962963, 0.2857142857, 0.2666666667, 0.25, 0.2424242424, 0.2352941176, 0.2285714286, 0.2222222222, more...

decimal, strictly-monotonic, +

a(n)=8/composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence rro3tkv2nfa0o

8, 5, 3, 1, 0, -1, -3, -5, -6, -7, -9, -11, -12, -13, -15, -16, -17, -18, -19, -21, -23, -24, -25, -26, -27, -29, -30, -31, -33, -35, -36, -37, -39, -40, -41, -42, -43, -45, -46, -47, -48, -49, -51, -53, -54, -55, -56, -57, -59, -60, more...

integer, strictly-monotonic, +-

a(n)=9-composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence tcaxkxmlrotfm

8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, more...

integer, strictly-monotonic, +

a(n)=composite(4+n)
composite(n)=nth composite number
n≥0
4 operations
Prime

Sequence mxx5bc35xq5mk

8, 11, 13, 15, 16, 17, 19, 21, 22, 23, 25, 27, 28, 29, 31, 32, 33, 34, 35, 37, 39, 40, 41, 42, 43, 45, 46, 47, 49, 51, 52, 53, 55, 56, 57, 58, 59, 61, 62, 63, 64, 65, 67, 69, 70, 71, 72, 73, 75, 76, more...

integer, strictly-monotonic, +

a(n)=7+composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence uixi2ttztidng

8, 14, 20, 25, 30, 35, 40, 46, 51, 56, 62, 66, 72, 77, 82, 87, 92, 96, 102, 108, 114, 118, 122, 126, 132, 136, 142, 146, 152, 156, 161, 166, 171, 176, 182, 186, 190, 196, 202, 206, 210, 215, 219, 224, 230, 235, 240, 245, 249, 254, more...

integer, strictly-monotonic, +

a(n)=composite(4*n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence alqx5bt5jntio

8, 32, 48, 64, 72, 80, 96, 112, 120, 128, 144, 160, 168, 176, 192, 200, 208, 216, 224, 240, 256, 264, 272, 280, 288, 304, 312, 320, 336, 352, 360, 368, 384, 392, 400, 408, 416, 432, 440, 448, 456, 464, 480, 496, 504, 512, 520, 528, 544, 552, more...

integer, strictly-monotonic, +

a(n)=8*composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 1izzyuzjqsowb

9, 2.25, 1.5, 1.125, 1, 0.9, 0.75, 0.6428571429, 0.6, 0.5625, 0.5, 0.45, 0.4285714286, 0.4090909091, 0.375, 0.36, 0.3461538462, 0.3333333333, 0.3214285714, 0.3, 0.28125, 0.2727272727, 0.2647058824, 0.2571428571, 0.25, more...

decimal, strictly-monotonic, +

a(n)=9/composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence kd4gp0v00ovnd

9, 6, 4, 2, 1, 0, -2, -4, -5, -6, -8, -10, -11, -12, -14, -15, -16, -17, -18, -20, -22, -23, -24, -25, -26, -28, -29, -30, -32, -34, -35, -36, -38, -39, -40, -41, -42, -44, -45, -46, -47, -48, -50, -52, -53, -54, -55, -56, -58, -59, more...

integer, strictly-monotonic, +-

a(n)=10-composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence grdpsynhvqzxi

9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, more...

integer, strictly-monotonic, +

a(n)=composite(5+n)
composite(n)=nth composite number
n≥0
4 operations
Prime

Sequence 4whdr2tur5g3n

9, 12, 14, 16, 17, 18, 20, 22, 23, 24, 26, 28, 29, 30, 32, 33, 34, 35, 36, 38, 40, 41, 42, 43, 44, 46, 47, 48, 50, 52, 53, 54, 56, 57, 58, 59, 60, 62, 63, 64, 65, 66, 68, 70, 71, 72, 73, 74, 76, 77, more...

integer, strictly-monotonic, +

a(n)=8+composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 22pvow0xm5ikl

9, 16, 24, 30, 36, 44, 50, 56, 63, 69, 76, 82, 88, 94, 100, 108, 115, 120, 125, 132, 138, 144, 150, 156, 162, 169, 175, 182, 187, 194, 201, 206, 212, 217, 222, 230, 236, 243, 248, 254, 260, 266, 273, 279, 286, 291, 297, 302, 308, 315, more...

integer, strictly-monotonic, +

a(n)=composite(5*n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence gagfko24aq1ah

9, 36, 54, 72, 81, 90, 108, 126, 135, 144, 162, 180, 189, 198, 216, 225, 234, 243, 252, 270, 288, 297, 306, 315, 324, 342, 351, 360, 378, 396, 405, 414, 432, 441, 450, 459, 468, 486, 495, 504, 513, 522, 540, 558, 567, 576, 585, 594, 612, 621, more...

integer, strictly-monotonic, +

a(n)=9*composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 2osyd2u0z5ai

10, 2.5, 1.6666666667, 1.25, 1.1111111111, 1, 0.8333333333, 0.7142857143, 0.6666666667, 0.625, 0.5555555556, 0.5, 0.4761904762, 0.4545454545, 0.4166666667, 0.4, 0.3846153846, 0.3703703704, 0.3571428571, 0.3333333333, 0.3125, 0.303030303, 0.2941176471, 0.2857142857, 0.2777777778, more...

decimal, strictly-monotonic, +

a(n)=10/composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence ir1gh42qsvtdd

10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, more...

integer, strictly-monotonic, +

a(n)=composite(6+n)
composite(n)=nth composite number
n≥0
4 operations
Prime

Sequence gwbxwjbhtdwm

10, 13, 15, 17, 18, 19, 21, 23, 24, 25, 27, 29, 30, 31, 33, 34, 35, 36, 37, 39, 41, 42, 43, 44, 45, 47, 48, 49, 51, 53, 54, 55, 57, 58, 59, 60, 61, 63, 64, 65, 66, 67, 69, 71, 72, 73, 74, 75, 77, 78, more...

integer, strictly-monotonic, +

a(n)=9+composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence ynegvab54rqbe

10, 20, 27, 35, 44, 51, 58, 66, 75, 82, 90, 96, 105, 114, 120, 126, 134, 142, 148, 156, 164, 171, 178, 186, 194, 202, 208, 215, 221, 230, 237, 245, 252, 259, 266, 274, 282, 289, 296, 302, 309, 318, 324, 330, 338, 344, 352, 360, 366, 374, more...

integer, strictly-monotonic, +, A175229

a(n)=composite(6*n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence k1o034eibqhtn

10, 40, 60, 80, 90, 100, 120, 140, 150, 160, 180, 200, 210, 220, 240, 250, 260, 270, 280, 300, 320, 330, 340, 350, 360, 380, 390, 400, 420, 440, 450, 460, 480, 490, 500, 510, 520, 540, 550, 560, 570, 580, 600, 620, 630, 640, 650, 660, 680, 690, more...

integer, strictly-monotonic, +

a(n)=10*composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence ct0dbkkevzv0i

11, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 31, 32, 34, 35, 36, 37, 38, 40, 42, 43, 44, 45, 46, 48, 49, 50, 52, 54, 55, 56, 58, 59, 60, 61, 62, 64, 65, 66, 67, 68, 70, 72, 73, 74, 75, 76, 78, 79, more...

integer, strictly-monotonic, +

a(n)=10+composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 5lrr5xm3mkibe

12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, more...

integer, strictly-monotonic, +

a(n)=composite(7+n)
composite(n)=nth composite number
n≥0
4 operations
Prime

Sequence hn5oqnsmpltao

12, 22, 32, 40, 50, 58, 68, 77, 86, 94, 104, 114, 121, 129, 138, 146, 155, 164, 172, 182, 189, 200, 207, 215, 222, 232, 242, 249, 258, 266, 275, 285, 292, 300, 308, 318, 325, 333, 341, 350, 358, 366, 375, 384, 392, 400, 408, 416, 425, 434, more...

integer, strictly-monotonic, +

a(n)=composite(7*n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence tgure2dgo3m2k

14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, more...

integer, strictly-monotonic, +

a(n)=composite(8+n)
composite(n)=nth composite number
n≥0
4 operations
Prime

Sequence gkb01x5eqw5xj

14, 25, 35, 46, 56, 66, 77, 87, 96, 108, 118, 126, 136, 146, 156, 166, 176, 186, 196, 206, 215, 224, 235, 245, 254, 264, 274, 285, 294, 302, 312, 322, 330, 340, 350, 360, 369, 378, 388, 398, 407, 416, 426, 436, 446, 455, 466, 475, 484, 494, more...

integer, strictly-monotonic, +

a(n)=composite(8*n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence yu2jom2og2z0n

15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, more...

integer, strictly-monotonic, +

a(n)=composite(9+n)
composite(n)=nth composite number
n≥0
4 operations
Prime

Sequence 2j4dweyqsc4pd

15, 27, 39, 51, 63, 75, 86, 96, 110, 120, 130, 142, 153, 164, 175, 186, 198, 208, 218, 230, 242, 252, 262, 274, 286, 296, 305, 318, 327, 338, 348, 360, 370, 381, 392, 403, 413, 424, 435, 446, 456, 469, 478, 489, 500, 511, 520, 531, 540, 551, more...

integer, strictly-monotonic, +

a(n)=composite(9*n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence bxhbig2hw0fpe

16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, more...

integer, strictly-monotonic, +

a(n)=composite(10+n)
composite(n)=nth composite number
n≥0
4 operations
Prime

Sequence 21fllg33hd3cp

16, 30, 44, 56, 69, 82, 94, 108, 120, 132, 144, 156, 169, 182, 194, 206, 217, 230, 243, 254, 266, 279, 291, 302, 315, 326, 338, 350, 362, 374, 386, 398, 410, 422, 434, 446, 458, 471, 482, 494, 506, 517, 529, 539, 551, 562, 575, 586, 598, 611, more...

integer, strictly-monotonic, +

a(n)=composite(10*n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence l4lwvpq4y3vbn

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

integer, non-monotonic, +

a(n)=cf(composite(n))
composite(n)=nth composite number
cf(a)=characteristic function of a (in range)
n≥1
3 operations
Prime

Sequence 1srz3yx0pgmhm

1, 4, 24, 192, 1728, 17280, 207360, 2903040, 43545600, 696729600, 12541132800, more...

integer, strictly-monotonic, +, A036691

a(n)=∏(composite(n))
composite(n)=nth composite number
∏(a)=partial products of a
n≥1
3 operations
Prime

Sequence lpeogma5s34ok

1, 5, 11, 19, 28, 38, 50, 64, 79, 95, 113, 133, 154, 176, 200, 225, 251, 278, 306, 336, 368, 401, 435, 470, 506, 544, 583, 623, 665, 709, 754, 800, 848, 897, 947, 998, 1050, 1104, 1159, 1215, 1272, 1330, 1390, 1452, 1515, 1579, 1644, 1710, 1778, 1847, more...

integer, strictly-monotonic, +

a(n)=∑(composite(n))
composite(n)=nth composite number
∑(a)=partial sums of a
n≥1
3 operations
Prime

Sequence tqcrmszqp4zuj

1, 6, 10, 16, 24, 32, 40, 51, 63, 76, 90, 105, 121, 138, 156, 176, 198, 218, 243, 266, 292, 319, 344, 374, 404, 435, 469, 501, 534, 568, 606, 645, 685, 723, 765, 805, 849, 895, 939, 986, 1035, 1083, 1135, 1184, 1238, 1290, 1345, 1397, 1456, 1515, more...

integer, strictly-monotonic, +

a(n)=composite(∑(n))
∑(a)=partial sums of a
composite(n)=nth composite number
n≥1
3 operations
Prime

Sequence ikvcj2e3aceio

3, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, more...

integer, non-monotonic, +, A065310

a(n)=Δ(composite(n))
composite(n)=nth composite number
Δ(a)=differences of a
n≥1
3 operations
Prime

Sequence 31vsg5trwr3p

0, -2, -3, -4, -4, -4, -5, -6, -6, -6, -7, -8, -8, -8, -9, -9, -9, -9, -9, -10, -11, -11, -11, -11, -11, -12, -12, -12, -13, -14, -14, -14, -15, -15, -15, -15, -15, -16, -16, -16, -16, -16, -17, -18, -18, -18, -18, -18, -19, -19, more...

integer, monotonic, -

a(n)=n-composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence 05yhy1lpccqif

0, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8, 9, 9, 9, 9, 9, 10, 11, 11, 11, 11, 11, 12, 12, 12, 13, 14, 14, 14, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 17, 18, 18, 18, 18, 18, 19, 19, more...

integer, monotonic, +, A073425

a(n)=composite(n)-n
composite(n)=nth composite number
n≥1
4 operations
Prime

Sequence rxkt2czugxd2o

1, 0.5, 0.5, 0.5, 0.5555555556, 0.6, 0.5833333333, 0.5714285714, 0.6, 0.625, 0.6111111111, 0.6, 0.619047619, 0.6363636364, 0.625, 0.64, 0.6538461538, 0.6666666667, 0.6785714286, 0.6666666667, 0.65625, 0.6666666667, 0.6764705882, 0.6857142857, 0.6944444444, more...

decimal, non-monotonic, +

a(n)=n/composite(n)
composite(n)=nth composite number
n≥1
4 operations
Prime

[0] [1] [2] [3] [4] ... [587]