Sequence Database

A database with 734481 machine generated integer and decimal sequences.

Displaying result 0-99 of total 83294. [0] [1] [2] [3] [4] ... [832]

Sequence f01q4ekd0c3wl

1, 2, 3, 2, 5, 3, 7, 2, 3, 5, 11, 3, 13, 7, 5, 2, 17, 3, 19, 5, 7, 11, 23, 3, 5, 13, 3, 7, 29, 5, 31, 2, 11, 17, 7, 3, 37, 19, 13, 5, 41, 7, 43, 11, 5, 23, 47, 3, 7, 5, more...

integer, non-monotonic, +, A006530

a(n)=gpf(n)
gpf(n)=greatest prime factor of n
n≥1
2 operations
Prime

Sequence c5dglrcjdavhh

-1, -2, -3, -2, -5, -3, -7, -2, -3, -5, -11, -3, -13, -7, -5, -2, -17, -3, -19, -5, -7, -11, -23, -3, -5, -13, -3, -7, -29, -5, -31, -2, -11, -17, -7, -3, -37, -19, -13, -5, -41, -7, -43, -11, -5, -23, -47, -3, -7, -5, more...

integer, non-monotonic, -

a(n)=-gpf(n)
gpf(n)=greatest prime factor of n
n≥1
3 operations
Prime

Sequence 3jm3rablurcpn

1, 4, 9, 4, 25, 9, 49, 4, 9, 25, 121, 9, 169, 49, 25, 4, 289, 9, 361, 25, 49, 121, 529, 9, 25, 169, 9, 49, 841, 25, 961, 4, 121, 289, 49, 9, 1369, 361, 169, 25, 1681, 49, 1849, 121, 25, 529, 2209, 9, 49, 25, more...

integer, non-monotonic, +

a(n)=gpf(n)²
gpf(n)=greatest prime factor of n
n≥1
3 operations
Prime

Sequence 4vuj3dinq5a1m

1, 1, 2, 1, 3, 2, 3, 1, 2, 3, 5, 2, 5, 3, 2, 1, 5, 2, 7, 3, 2, 5, 7, 2, 7, 5, 2, 3, 7, 2, 5, 1, 3, 5, 3, 2, 11, 7, 5, 3, 11, 2, 13, 5, 3, 7, 3, 2, 3, 7, more...

integer, non-monotonic, +

a(n)=gpf(stern(n))
stern(n)=Stern-Brocot sequence
gpf(n)=greatest prime factor of n
n≥1
3 operations
Prime

Sequence 4pmnba10tdooo

1, 1, 2, 1, 3, 2, 3, 1, 2, 3, 5, 2, 5, 3, 3, 1, 5, 2, 7, 3, 3, 5, 7, 2, 3, 5, 2, 3, 7, 3, 5, 1, 5, 5, 3, 2, 11, 7, 5, 3, 11, 3, 13, 5, 3, 7, 9, 2, 3, 3, more...

integer, non-monotonic, +

a(n)=stern(gpf(n))
gpf(n)=greatest prime factor of n
stern(n)=Stern-Brocot sequence
n≥1
3 operations
Prime

Sequence 5btgehfmqy02l

-9, -8, -7, -8, -5, -7, -3, -8, -7, -5, 1, -7, 3, -3, -5, -8, 7, -7, 9, -5, -3, 1, 13, -7, -5, 3, -7, -3, 19, -5, 21, -8, 1, 7, -3, -7, 27, 9, 3, -5, 31, -3, 33, 1, -5, 13, 37, -7, -3, -5, more...

integer, non-monotonic, +-

a(n)=gpf(n)-10
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence v1jaqvqusezso

-8, -7, -6, -7, -4, -6, -2, -7, -6, -4, 2, -6, 4, -2, -4, -7, 8, -6, 10, -4, -2, 2, 14, -6, -4, 4, -6, -2, 20, -4, 22, -7, 2, 8, -2, -6, 28, 10, 4, -4, 32, -2, 34, 2, -4, 14, 38, -6, -2, -4, more...

integer, non-monotonic, +-

a(n)=gpf(n)-9
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence tv533nxhtonih

-7, -6, -5, -6, -3, -5, -1, -6, -5, -3, 3, -5, 5, -1, -3, -6, 9, -5, 11, -3, -1, 3, 15, -5, -3, 5, -5, -1, 21, -3, 23, -6, 3, 9, -1, -5, 29, 11, 5, -3, 33, -1, 35, 3, -3, 15, 39, -5, -1, -3, more...

integer, non-monotonic, +-

a(n)=gpf(n)-8
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence sin4tmv0qlimi

-6, -5, -4, -5, -2, -4, 0, -5, -4, -2, 4, -4, 6, 0, -2, -5, 10, -4, 12, -2, 0, 4, 16, -4, -2, 6, -4, 0, 22, -2, 24, -5, 4, 10, 0, -4, 30, 12, 6, -2, 34, 0, 36, 4, -2, 16, 40, -4, 0, -2, more...

integer, non-monotonic, +-

a(n)=gpf(n)-7
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence hgqrvrjse3nrd

-5, -4, -3, -4, -1, -3, 1, -4, -3, -1, 5, -3, 7, 1, -1, -4, 11, -3, 13, -1, 1, 5, 17, -3, -1, 7, -3, 1, 23, -1, 25, -4, 5, 11, 1, -3, 31, 13, 7, -1, 35, 1, 37, 5, -1, 17, 41, -3, 1, -1, more...

integer, non-monotonic, +-

a(n)=gpf(n)-6
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence 3ahqtzw1yljam

-4, -3, -2, -3, 0, -2, 2, -3, -2, 0, 6, -2, 8, 2, 0, -3, 12, -2, 14, 0, 2, 6, 18, -2, 0, 8, -2, 2, 24, 0, 26, -3, 6, 12, 2, -2, 32, 14, 8, 0, 36, 2, 38, 6, 0, 18, 42, -2, 2, 0, more...

integer, non-monotonic, +-

a(n)=gpf(n)-5
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence s42kl0x0nywjf

-3, -2, -1, -2, 1, -1, 3, -2, -1, 1, 7, -1, 9, 3, 1, -2, 13, -1, 15, 1, 3, 7, 19, -1, 1, 9, -1, 3, 25, 1, 27, -2, 7, 13, 3, -1, 33, 15, 9, 1, 37, 3, 39, 7, 1, 19, 43, -1, 3, 1, more...

integer, non-monotonic, +-

a(n)=gpf(n)-4
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence o225b1cplurpj

-2.1415926536, -1.1415926536, -0.1415926536, -1.1415926536, 1.8584073464, -0.1415926536, 3.8584073464, -1.1415926536, -0.1415926536, 1.8584073464, 7.8584073464, -0.1415926536, 9.8584073464, 3.8584073464, 1.8584073464, -1.1415926536, 13.8584073464, -0.1415926536, 15.8584073464, 1.8584073464, 3.8584073464, 7.8584073464, 19.8584073464, -0.1415926536, 1.8584073464, 9.8584073464, -0.1415926536, 3.8584073464, 25.8584073464, 1.8584073464, 27.8584073464, -1.1415926536, 7.8584073464, 13.8584073464, 3.8584073464, -0.1415926536, 33.8584073464, 15.8584073464, 9.8584073464, 1.8584073464, 37.8584073464, 3.8584073464, 39.8584073464, 7.8584073464, 1.8584073464, 19.8584073464, 43.8584073464, -0.1415926536, 3.8584073464, 1.8584073464, more...

decimal, non-monotonic, +-

a(n)=gpf(n)-π
gpf(n)=greatest prime factor of n
π=3.141...
n≥1
4 operations
Prime

Sequence th0smagp5gc0h

-2, -1, 0, -1, 2, 0, 4, -1, 0, 2, 8, 0, 10, 4, 2, -1, 14, 0, 16, 2, 4, 8, 20, 0, 2, 10, 0, 4, 26, 2, 28, -1, 8, 14, 4, 0, 34, 16, 10, 2, 38, 4, 40, 8, 2, 20, 44, 0, 4, 2, more...

integer, non-monotonic, +-

a(n)=gpf(n)-3
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence tsgdesnljigwn

-1, 0, 1, 0, 3, 1, 5, 0, 1, 3, 9, 1, 11, 5, 3, 0, 15, 1, 17, 3, 5, 9, 21, 1, 3, 11, 1, 5, 27, 3, 29, 0, 9, 15, 5, 1, 35, 17, 11, 3, 39, 5, 41, 9, 3, 21, 45, 1, 5, 3, more...

integer, non-monotonic, +-

a(n)=gpf(n)-2
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence rkwrrv30w5fq

0, -1, -2, -1, -4, -2, -6, -1, -2, -4, -10, -2, -12, -6, -4, -1, -16, -2, -18, -4, -6, -10, -22, -2, -4, -12, -2, -6, -28, -4, -30, -1, -10, -16, -6, -2, -36, -18, -12, -4, -40, -6, -42, -10, -4, -22, -46, -2, -6, -4, more...

integer, non-monotonic, -

a(n)=1-gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence wmntsblwjr0ie

0, 1, 2, 1, 4, 2, 6, 1, 2, 4, 10, 2, 12, 6, 4, 1, 16, 2, 18, 4, 6, 10, 22, 2, 4, 12, 2, 6, 28, 4, 30, 1, 10, 16, 6, 2, 36, 18, 12, 4, 40, 6, 42, 10, 4, 22, 46, 2, 6, 4, more...

integer, non-monotonic, +

a(n)=gpf(n)-1
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence od43g5grgpmtm

0.1, 0.2, 0.3, 0.2, 0.5, 0.3, 0.7, 0.2, 0.3, 0.5, 1.1, 0.3, 1.3, 0.7, 0.5, 0.2, 1.7, 0.3, 1.9, 0.5, 0.7, 1.1, 2.3, 0.3, 0.5, 1.3, 0.3, 0.7, 2.9, 0.5, 3.1, 0.2, 1.1, 1.7, 0.7, 0.3, 3.7, 1.9, 1.3, 0.5, 4.1, 0.7, 4.3, 1.1, 0.5, 2.3, 4.7, 0.3, 0.7, 0.5, more...

decimal, non-monotonic, +

a(n)=gpf(n)/10
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence gyek0aotr4no

0.1111111111, 0.2222222222, 0.3333333333, 0.2222222222, 0.5555555556, 0.3333333333, 0.7777777778, 0.2222222222, 0.3333333333, 0.5555555556, 1.2222222222, 0.3333333333, 1.4444444444, 0.7777777778, 0.5555555556, 0.2222222222, 1.8888888889, 0.3333333333, 2.1111111111, 0.5555555556, 0.7777777778, 1.2222222222, 2.5555555556, 0.3333333333, 0.5555555556, 1.4444444444, 0.3333333333, 0.7777777778, 3.2222222222, 0.5555555556, 3.4444444444, 0.2222222222, 1.2222222222, 1.8888888889, 0.7777777778, 0.3333333333, 4.1111111111, 2.1111111111, 1.4444444444, 0.5555555556, 4.5555555556, 0.7777777778, 4.7777777778, 1.2222222222, 0.5555555556, 2.5555555556, 5.2222222222, 0.3333333333, 0.7777777778, 0.5555555556, more...

decimal, non-monotonic, +

a(n)=gpf(n)/9
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence djdag5lbpxpeh

0.125, 0.25, 0.375, 0.25, 0.625, 0.375, 0.875, 0.25, 0.375, 0.625, 1.375, 0.375, 1.625, 0.875, 0.625, 0.25, 2.125, 0.375, 2.375, 0.625, 0.875, 1.375, 2.875, 0.375, 0.625, 1.625, 0.375, 0.875, 3.625, 0.625, 3.875, 0.25, 1.375, 2.125, 0.875, 0.375, 4.625, 2.375, 1.625, 0.625, 5.125, 0.875, 5.375, 1.375, 0.625, 2.875, 5.875, 0.375, 0.875, 0.625, more...

decimal, non-monotonic, +

a(n)=gpf(n)/8
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence l0lraturr2k3n

0.1428571429, 0.2857142857, 0.4285714286, 0.2857142857, 0.7142857143, 0.4285714286, 1, 0.2857142857, 0.4285714286, 0.7142857143, 1.5714285714, 0.4285714286, 1.8571428571, 1, 0.7142857143, 0.2857142857, 2.4285714286, 0.4285714286, 2.7142857143, 0.7142857143, 1, 1.5714285714, 3.2857142857, 0.4285714286, 0.7142857143, 1.8571428571, 0.4285714286, 1, 4.1428571429, 0.7142857143, 4.4285714286, 0.2857142857, 1.5714285714, 2.4285714286, 1, 0.4285714286, 5.2857142857, 2.7142857143, 1.8571428571, 0.7142857143, 5.8571428571, 1, 6.1428571429, 1.5714285714, 0.7142857143, 3.2857142857, 6.7142857143, 0.4285714286, 1, 0.7142857143, more...

decimal, non-monotonic, +

a(n)=gpf(n)/7
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence wwojkpdulwtee

0.1666666667, 0.3333333333, 0.5, 0.3333333333, 0.8333333333, 0.5, 1.1666666667, 0.3333333333, 0.5, 0.8333333333, 1.8333333333, 0.5, 2.1666666667, 1.1666666667, 0.8333333333, 0.3333333333, 2.8333333333, 0.5, 3.1666666667, 0.8333333333, 1.1666666667, 1.8333333333, 3.8333333333, 0.5, 0.8333333333, 2.1666666667, 0.5, 1.1666666667, 4.8333333333, 0.8333333333, 5.1666666667, 0.3333333333, 1.8333333333, 2.8333333333, 1.1666666667, 0.5, 6.1666666667, 3.1666666667, 2.1666666667, 0.8333333333, 6.8333333333, 1.1666666667, 7.1666666667, 1.8333333333, 0.8333333333, 3.8333333333, 7.8333333333, 0.5, 1.1666666667, 0.8333333333, more...

decimal, non-monotonic, +

a(n)=gpf(n)/6
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence jrof4gdhkogkd

0.2, 0.4, 0.6, 0.4, 1, 0.6, 1.4, 0.4, 0.6, 1, 2.2, 0.6, 2.6, 1.4, 1, 0.4, 3.4, 0.6, 3.8, 1, 1.4, 2.2, 4.6, 0.6, 1, 2.6, 0.6, 1.4, 5.8, 1, 6.2, 0.4, 2.2, 3.4, 1.4, 0.6, 7.4, 3.8, 2.6, 1, 8.2, 1.4, 8.6, 2.2, 1, 4.6, 9.4, 0.6, 1.4, 1, more...

decimal, non-monotonic, +

a(n)=gpf(n)/5
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence 0wz3ukeh3a02n

0.25, 0.5, 0.75, 0.5, 1.25, 0.75, 1.75, 0.5, 0.75, 1.25, 2.75, 0.75, 3.25, 1.75, 1.25, 0.5, 4.25, 0.75, 4.75, 1.25, 1.75, 2.75, 5.75, 0.75, 1.25, 3.25, 0.75, 1.75, 7.25, 1.25, 7.75, 0.5, 2.75, 4.25, 1.75, 0.75, 9.25, 4.75, 3.25, 1.25, 10.25, 1.75, 10.75, 2.75, 1.25, 5.75, 11.75, 0.75, 1.75, 1.25, more...

decimal, non-monotonic, +

a(n)=gpf(n)/4
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence lszdclwjsejyc

0.3183098862, 0.6366197724, 0.9549296586, 0.6366197724, 1.5915494309, 0.9549296586, 2.2281692033, 0.6366197724, 0.9549296586, 1.5915494309, 3.501408748, 0.9549296586, 4.1380285204, 2.2281692033, 1.5915494309, 0.6366197724, 5.4112680651, 0.9549296586, 6.0478878375, 1.5915494309, 2.2281692033, 3.501408748, 7.3211273822, 0.9549296586, 1.5915494309, 4.1380285204, 0.9549296586, 2.2281692033, 9.2309866993, 1.5915494309, 9.8676064717, 0.6366197724, 3.501408748, 5.4112680651, 2.2281692033, 0.9549296586, 11.7774657888, 6.0478878375, 4.1380285204, 1.5915494309, 13.0507053335, 2.2281692033, 13.6873251059, 3.501408748, 1.5915494309, 7.3211273822, 14.9605646506, 0.9549296586, 2.2281692033, 1.5915494309, more...

decimal, non-monotonic, +

a(n)=gpf(n)/π
gpf(n)=greatest prime factor of n
π=3.141...
n≥1
4 operations
Prime

Sequence ezsqdfigmryli

0.3333333333, 0.6666666667, 1, 0.6666666667, 1.6666666667, 1, 2.3333333333, 0.6666666667, 1, 1.6666666667, 3.6666666667, 1, 4.3333333333, 2.3333333333, 1.6666666667, 0.6666666667, 5.6666666667, 1, 6.3333333333, 1.6666666667, 2.3333333333, 3.6666666667, 7.6666666667, 1, 1.6666666667, 4.3333333333, 1, 2.3333333333, 9.6666666667, 1.6666666667, 10.3333333333, 0.6666666667, 3.6666666667, 5.6666666667, 2.3333333333, 1, 12.3333333333, 6.3333333333, 4.3333333333, 1.6666666667, 13.6666666667, 2.3333333333, 14.3333333333, 3.6666666667, 1.6666666667, 7.6666666667, 15.6666666667, 1, 2.3333333333, 1.6666666667, more...

decimal, non-monotonic, +

a(n)=gpf(n)/3
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence 0ski5onufo1vn

0.5, 1, 1.5, 1, 2.5, 1.5, 3.5, 1, 1.5, 2.5, 5.5, 1.5, 6.5, 3.5, 2.5, 1, 8.5, 1.5, 9.5, 2.5, 3.5, 5.5, 11.5, 1.5, 2.5, 6.5, 1.5, 3.5, 14.5, 2.5, 15.5, 1, 5.5, 8.5, 3.5, 1.5, 18.5, 9.5, 6.5, 2.5, 20.5, 3.5, 21.5, 5.5, 2.5, 11.5, 23.5, 1.5, 3.5, 2.5, more...

decimal, non-monotonic, +

a(n)=gpf(n)/2
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence mjf0qe4gynssc

1, 0, -1, 0, -3, -1, -5, 0, -1, -3, -9, -1, -11, -5, -3, 0, -15, -1, -17, -3, -5, -9, -21, -1, -3, -11, -1, -5, -27, -3, -29, 0, -9, -15, -5, -1, -35, -17, -11, -3, -39, -5, -41, -9, -3, -21, -45, -1, -5, -3, more...

integer, non-monotonic, +-

a(n)=2-gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence xykamp545llhk

1, 0.5, 0.3333333333, 0.5, 0.2, 0.3333333333, 0.1428571429, 0.5, 0.3333333333, 0.2, 0.0909090909, 0.3333333333, 0.0769230769, 0.1428571429, 0.2, 0.5, 0.0588235294, 0.3333333333, 0.0526315789, 0.2, 0.1428571429, 0.0909090909, 0.0434782609, 0.3333333333, 0.2, 0.0769230769, 0.3333333333, 0.1428571429, 0.0344827586, 0.2, 0.0322580645, 0.5, 0.0909090909, 0.0588235294, 0.1428571429, 0.3333333333, 0.027027027, 0.0526315789, 0.0769230769, 0.2, 0.0243902439, 0.1428571429, 0.023255814, 0.0909090909, 0.2, 0.0434782609, 0.0212765957, 0.3333333333, 0.1428571429, 0.2, more...

decimal, non-monotonic, +

a(n)=1/gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence fjnqerdbq1txj

2, 1, 0, 1, -2, 0, -4, 1, 0, -2, -8, 0, -10, -4, -2, 1, -14, 0, -16, -2, -4, -8, -20, 0, -2, -10, 0, -4, -26, -2, -28, 1, -8, -14, -4, 0, -34, -16, -10, -2, -38, -4, -40, -8, -2, -20, -44, 0, -4, -2, more...

integer, non-monotonic, +-

a(n)=3-gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence nlpr0dnkx131j

2, 1, 0.6666666667, 1, 0.4, 0.6666666667, 0.2857142857, 1, 0.6666666667, 0.4, 0.1818181818, 0.6666666667, 0.1538461538, 0.2857142857, 0.4, 1, 0.1176470588, 0.6666666667, 0.1052631579, 0.4, 0.2857142857, 0.1818181818, 0.0869565217, 0.6666666667, 0.4, 0.1538461538, 0.6666666667, 0.2857142857, 0.0689655172, 0.4, 0.064516129, 1, 0.1818181818, 0.1176470588, 0.2857142857, 0.6666666667, 0.0540540541, 0.1052631579, 0.1538461538, 0.4, 0.0487804878, 0.2857142857, 0.0465116279, 0.1818181818, 0.4, 0.0869565217, 0.0425531915, 0.6666666667, 0.2857142857, 0.4, more...

decimal, non-monotonic, +

a(n)=2/gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence jinusgmcxapqn

2, 2, 3, 2, 5, 3, 7, 2, 3, 5, 11, 3, 13, 7, 5, 2, 17, 3, 19, 5, 7, 11, 23, 3, 5, 13, 3, 7, 29, 5, 31, 2, 11, 17, 7, 3, 37, 19, 13, 5, 41, 7, 43, 11, 5, 23, 47, 3, 7, 5, more...

integer, non-monotonic, +, A111089

a(n)=gpf(2*n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence tifg2fmozjnig

2, 3, 2, 5, 3, 7, 2, 3, 5, 11, 3, 13, 7, 5, 2, 17, 3, 19, 5, 7, 11, 23, 3, 5, 13, 3, 7, 29, 5, 31, 2, 11, 17, 7, 3, 37, 19, 13, 5, 41, 7, 43, 11, 5, 23, 47, 3, 7, 5, 17, more...

integer, non-monotonic, +

a(n)=gpf(2+n)
gpf(n)=greatest prime factor of n
n≥0
4 operations
Prime

Sequence 0x2jmf3ijaire

2, 3, 4, 3, 6, 4, 8, 3, 4, 6, 12, 4, 14, 8, 6, 3, 18, 4, 20, 6, 8, 12, 24, 4, 6, 14, 4, 8, 30, 6, 32, 3, 12, 18, 8, 4, 38, 20, 14, 6, 42, 8, 44, 12, 6, 24, 48, 4, 8, 6, more...

integer, non-monotonic, +

a(n)=1+gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence ibcgn54btr5ao

2, 3, 5, 11, 3, 13, 7, 5, 2, 17, 3, 19, 5, 7, 11, 23, 3, 5, 13, 3, 7, 29, 5, 31, 2, 11, 17, 7, 3, 37, 19, 13, 5, 41, 7, 43, 11, 5, 23, 47, 3, 7, 5, 17, 13, 53, 3, 11, 7, 19, more...

integer, non-monotonic, +

a(n)=gpf(8+n)
gpf(n)=greatest prime factor of n
n≥0
4 operations
Prime

Sequence mqk5lnci3v1uj

2, 4, 6, 4, 10, 6, 14, 4, 6, 10, 22, 6, 26, 14, 10, 4, 34, 6, 38, 10, 14, 22, 46, 6, 10, 26, 6, 14, 58, 10, 62, 4, 22, 34, 14, 6, 74, 38, 26, 10, 82, 14, 86, 22, 10, 46, 94, 6, 14, 10, more...

integer, non-monotonic, +

a(n)=2*gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence nwx5r3wddikd

2, 5, 3, 7, 2, 3, 5, 11, 3, 13, 7, 5, 2, 17, 3, 19, 5, 7, 11, 23, 3, 5, 13, 3, 7, 29, 5, 31, 2, 11, 17, 7, 3, 37, 19, 13, 5, 41, 7, 43, 11, 5, 23, 47, 3, 7, 5, 17, 13, 53, more...

integer, non-monotonic, +

a(n)=gpf(4+n)
gpf(n)=greatest prime factor of n
n≥0
4 operations
Prime

Sequence y142yd3auvltl

2.1415926536, 1.1415926536, 0.1415926536, 1.1415926536, -1.8584073464, 0.1415926536, -3.8584073464, 1.1415926536, 0.1415926536, -1.8584073464, -7.8584073464, 0.1415926536, -9.8584073464, -3.8584073464, -1.8584073464, 1.1415926536, -13.8584073464, 0.1415926536, -15.8584073464, -1.8584073464, -3.8584073464, -7.8584073464, -19.8584073464, 0.1415926536, -1.8584073464, -9.8584073464, 0.1415926536, -3.8584073464, -25.8584073464, -1.8584073464, -27.8584073464, 1.1415926536, -7.8584073464, -13.8584073464, -3.8584073464, 0.1415926536, -33.8584073464, -15.8584073464, -9.8584073464, -1.8584073464, -37.8584073464, -3.8584073464, -39.8584073464, -7.8584073464, -1.8584073464, -19.8584073464, -43.8584073464, 0.1415926536, -3.8584073464, -1.8584073464, more...

decimal, non-monotonic, +-

a(n)=π-gpf(n)
π=3.141...
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence hynxytmt0hiod

3, 1.5, 1, 1.5, 0.6, 1, 0.4285714286, 1.5, 1, 0.6, 0.2727272727, 1, 0.2307692308, 0.4285714286, 0.6, 1.5, 0.1764705882, 1, 0.1578947368, 0.6, 0.4285714286, 0.2727272727, 0.1304347826, 1, 0.6, 0.2307692308, 1, 0.4285714286, 0.1034482759, 0.6, 0.0967741935, 1.5, 0.2727272727, 0.1764705882, 0.4285714286, 1, 0.0810810811, 0.1578947368, 0.2307692308, 0.6, 0.0731707317, 0.4285714286, 0.0697674419, 0.2727272727, 0.6, 0.1304347826, 0.0638297872, 1, 0.4285714286, 0.6, more...

decimal, non-monotonic, +

a(n)=3/gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence ibevojlhontsg

3, 2, 1, 2, -1, 1, -3, 2, 1, -1, -7, 1, -9, -3, -1, 2, -13, 1, -15, -1, -3, -7, -19, 1, -1, -9, 1, -3, -25, -1, -27, 2, -7, -13, -3, 1, -33, -15, -9, -1, -37, -3, -39, -7, -1, -19, -43, 1, -3, -1, more...

integer, non-monotonic, +-

a(n)=4-gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence hivqos5dmo1xd

3, 2, 5, 3, 7, 2, 3, 5, 11, 3, 13, 7, 5, 2, 17, 3, 19, 5, 7, 11, 23, 3, 5, 13, 3, 7, 29, 5, 31, 2, 11, 17, 7, 3, 37, 19, 13, 5, 41, 7, 43, 11, 5, 23, 47, 3, 7, 5, 17, 13, more...

integer, non-monotonic, +

a(n)=gpf(3+n)
gpf(n)=greatest prime factor of n
n≥0
4 operations
Prime

Sequence ctzayso4mvwkl

3, 3, 3, 3, 5, 3, 7, 3, 3, 5, 11, 3, 13, 7, 5, 3, 17, 3, 19, 5, 7, 11, 23, 3, 5, 13, 3, 7, 29, 5, 31, 3, 11, 17, 7, 3, 37, 19, 13, 5, 41, 7, 43, 11, 5, 23, 47, 3, 7, 5, more...

integer, non-monotonic, +

a(n)=gpf(3*n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence tw1tjhbpr43ii

3, 4, 5, 4, 7, 5, 9, 4, 5, 7, 13, 5, 15, 9, 7, 4, 19, 5, 21, 7, 9, 13, 25, 5, 7, 15, 5, 9, 31, 7, 33, 4, 13, 19, 9, 5, 39, 21, 15, 7, 43, 9, 45, 13, 7, 25, 49, 5, 9, 7, more...

integer, non-monotonic, +

a(n)=2+gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence 51qyxj20tvffb

3, 5, 11, 3, 13, 7, 5, 2, 17, 3, 19, 5, 7, 11, 23, 3, 5, 13, 3, 7, 29, 5, 31, 2, 11, 17, 7, 3, 37, 19, 13, 5, 41, 7, 43, 11, 5, 23, 47, 3, 7, 5, 17, 13, 53, 3, 11, 7, 19, 29, more...

integer, non-monotonic, +

a(n)=gpf(9+n)
gpf(n)=greatest prime factor of n
n≥0
4 operations
Prime

Sequence 2nika0dwyumvg

3, 6, 9, 6, 15, 9, 21, 6, 9, 15, 33, 9, 39, 21, 15, 6, 51, 9, 57, 15, 21, 33, 69, 9, 15, 39, 9, 21, 87, 15, 93, 6, 33, 51, 21, 9, 111, 57, 39, 15, 123, 21, 129, 33, 15, 69, 141, 9, 21, 15, more...

integer, non-monotonic, +

a(n)=3*gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence p031kfmjywsdm

3, 7, 2, 3, 5, 11, 3, 13, 7, 5, 2, 17, 3, 19, 5, 7, 11, 23, 3, 5, 13, 3, 7, 29, 5, 31, 2, 11, 17, 7, 3, 37, 19, 13, 5, 41, 7, 43, 11, 5, 23, 47, 3, 7, 5, 17, 13, 53, 3, 11, more...

integer, non-monotonic, +

a(n)=gpf(6+n)
gpf(n)=greatest prime factor of n
n≥0
4 operations
Prime

Sequence fyhc1tnbdqr1

3.1415926536, 1.5707963268, 1.0471975512, 1.5707963268, 0.6283185307, 1.0471975512, 0.4487989505, 1.5707963268, 1.0471975512, 0.6283185307, 0.2855993321, 1.0471975512, 0.2416609734, 0.4487989505, 0.6283185307, 1.5707963268, 0.1847995679, 1.0471975512, 0.1653469818, 0.6283185307, 0.4487989505, 0.2855993321, 0.1365909849, 1.0471975512, 0.6283185307, 0.2416609734, 1.0471975512, 0.4487989505, 0.1083307812, 0.6283185307, 0.1013416985, 1.5707963268, 0.2855993321, 0.1847995679, 0.4487989505, 1.0471975512, 0.0849079096, 0.1653469818, 0.2416609734, 0.6283185307, 0.0766242111, 0.4487989505, 0.0730602943, 0.2855993321, 0.6283185307, 0.1365909849, 0.0668423969, 1.0471975512, 0.4487989505, 0.6283185307, more...

decimal, non-monotonic, +

a(n)=π/gpf(n)
π=3.141...
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence epblcf50hgin

3.1415926536, 6.2831853072, 9.4247779608, 6.2831853072, 15.7079632679, 9.4247779608, 21.9911485751, 6.2831853072, 9.4247779608, 15.7079632679, 34.5575191895, 9.4247779608, 40.8407044967, 21.9911485751, 15.7079632679, 6.2831853072, 53.407075111, 9.4247779608, 59.6902604182, 15.7079632679, 21.9911485751, 34.5575191895, 72.2566310326, 9.4247779608, 15.7079632679, 40.8407044967, 9.4247779608, 21.9911485751, 91.1061869541, 15.7079632679, 97.3893722613, 6.2831853072, 34.5575191895, 53.407075111, 21.9911485751, 9.4247779608, 116.2389281828, 59.6902604182, 40.8407044967, 15.7079632679, 128.8052987972, 21.9911485751, 135.0884841044, 34.5575191895, 15.7079632679, 72.2566310326, 147.6548547187, 9.4247779608, 21.9911485751, 15.7079632679, more...

decimal, non-monotonic, +

a(n)=π*gpf(n)
π=3.141...
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence tsruhxemgv0zj

4, 2, 1.3333333333, 2, 0.8, 1.3333333333, 0.5714285714, 2, 1.3333333333, 0.8, 0.3636363636, 1.3333333333, 0.3076923077, 0.5714285714, 0.8, 2, 0.2352941176, 1.3333333333, 0.2105263158, 0.8, 0.5714285714, 0.3636363636, 0.1739130435, 1.3333333333, 0.8, 0.3076923077, 1.3333333333, 0.5714285714, 0.1379310345, 0.8, 0.1290322581, 2, 0.3636363636, 0.2352941176, 0.5714285714, 1.3333333333, 0.1081081081, 0.2105263158, 0.3076923077, 0.8, 0.0975609756, 0.5714285714, 0.0930232558, 0.3636363636, 0.8, 0.1739130435, 0.085106383, 1.3333333333, 0.5714285714, 0.8, more...

decimal, non-monotonic, +

a(n)=4/gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence ef20sj3qhl5eb

4, 3, 2, 3, 0, 2, -2, 3, 2, 0, -6, 2, -8, -2, 0, 3, -12, 2, -14, 0, -2, -6, -18, 2, 0, -8, 2, -2, -24, 0, -26, 3, -6, -12, -2, 2, -32, -14, -8, 0, -36, -2, -38, -6, 0, -18, -42, 2, -2, 0, more...

integer, non-monotonic, +-

a(n)=5-gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence fuijx3kprba5h

4, 5, 6, 5, 8, 6, 10, 5, 6, 8, 14, 6, 16, 10, 8, 5, 20, 6, 22, 8, 10, 14, 26, 6, 8, 16, 6, 10, 32, 8, 34, 5, 14, 20, 10, 6, 40, 22, 16, 8, 44, 10, 46, 14, 8, 26, 50, 6, 10, 8, more...

integer, non-monotonic, +

a(n)=3+gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence rtd0l0ivj2l3i

4, 8, 12, 8, 20, 12, 28, 8, 12, 20, 44, 12, 52, 28, 20, 8, 68, 12, 76, 20, 28, 44, 92, 12, 20, 52, 12, 28, 116, 20, 124, 8, 44, 68, 28, 12, 148, 76, 52, 20, 164, 28, 172, 44, 20, 92, 188, 12, 28, 20, more...

integer, non-monotonic, +

a(n)=4*gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence nbp0dkypvwtll

4.1415926536, 5.1415926536, 6.1415926536, 5.1415926536, 8.1415926536, 6.1415926536, 10.1415926536, 5.1415926536, 6.1415926536, 8.1415926536, 14.1415926536, 6.1415926536, 16.1415926536, 10.1415926536, 8.1415926536, 5.1415926536, 20.1415926536, 6.1415926536, 22.1415926536, 8.1415926536, 10.1415926536, 14.1415926536, 26.1415926536, 6.1415926536, 8.1415926536, 16.1415926536, 6.1415926536, 10.1415926536, 32.1415926536, 8.1415926536, 34.1415926536, 5.1415926536, 14.1415926536, 20.1415926536, 10.1415926536, 6.1415926536, 40.1415926536, 22.1415926536, 16.1415926536, 8.1415926536, 44.1415926536, 10.1415926536, 46.1415926536, 14.1415926536, 8.1415926536, 26.1415926536, 50.1415926536, 6.1415926536, 10.1415926536, 8.1415926536, more...

decimal, non-monotonic, +

a(n)=π+gpf(n)
π=3.141...
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence tafgqckht3udo

5, 2.5, 1.6666666667, 2.5, 1, 1.6666666667, 0.7142857143, 2.5, 1.6666666667, 1, 0.4545454545, 1.6666666667, 0.3846153846, 0.7142857143, 1, 2.5, 0.2941176471, 1.6666666667, 0.2631578947, 1, 0.7142857143, 0.4545454545, 0.2173913043, 1.6666666667, 1, 0.3846153846, 1.6666666667, 0.7142857143, 0.1724137931, 1, 0.1612903226, 2.5, 0.4545454545, 0.2941176471, 0.7142857143, 1.6666666667, 0.1351351351, 0.2631578947, 0.3846153846, 1, 0.1219512195, 0.7142857143, 0.1162790698, 0.4545454545, 1, 0.2173913043, 0.1063829787, 1.6666666667, 0.7142857143, 1, more...

decimal, non-monotonic, +

a(n)=5/gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence kzm1e4upuar4k

5, 3, 7, 2, 3, 5, 11, 3, 13, 7, 5, 2, 17, 3, 19, 5, 7, 11, 23, 3, 5, 13, 3, 7, 29, 5, 31, 2, 11, 17, 7, 3, 37, 19, 13, 5, 41, 7, 43, 11, 5, 23, 47, 3, 7, 5, 17, 13, 53, 3, more...

integer, non-monotonic, +

a(n)=gpf(5+n)
gpf(n)=greatest prime factor of n
n≥0
4 operations
Prime

Sequence zbtxkinv0upnm

5, 4, 3, 4, 1, 3, -1, 4, 3, 1, -5, 3, -7, -1, 1, 4, -11, 3, -13, 1, -1, -5, -17, 3, 1, -7, 3, -1, -23, 1, -25, 4, -5, -11, -1, 3, -31, -13, -7, 1, -35, -1, -37, -5, 1, -17, -41, 3, -1, 1, more...

integer, non-monotonic, +-

a(n)=6-gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence lpgmzh33sh3nn

5, 5, 5, 5, 5, 5, 7, 5, 5, 5, 11, 5, 13, 7, 5, 5, 17, 5, 19, 5, 7, 11, 23, 5, 5, 13, 5, 7, 29, 5, 31, 5, 11, 17, 7, 5, 37, 19, 13, 5, 41, 7, 43, 11, 5, 23, 47, 5, 7, 5, more...

integer, non-monotonic, +

a(n)=gpf(5*n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence tdk0tlk5f1sof

5, 6, 7, 6, 9, 7, 11, 6, 7, 9, 15, 7, 17, 11, 9, 6, 21, 7, 23, 9, 11, 15, 27, 7, 9, 17, 7, 11, 33, 9, 35, 6, 15, 21, 11, 7, 41, 23, 17, 9, 45, 11, 47, 15, 9, 27, 51, 7, 11, 9, more...

integer, non-monotonic, +

a(n)=4+gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence b0zd1kcnfyatd

5, 10, 15, 10, 25, 15, 35, 10, 15, 25, 55, 15, 65, 35, 25, 10, 85, 15, 95, 25, 35, 55, 115, 15, 25, 65, 15, 35, 145, 25, 155, 10, 55, 85, 35, 15, 185, 95, 65, 25, 205, 35, 215, 55, 25, 115, 235, 15, 35, 25, more...

integer, non-monotonic, +

a(n)=5*gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence jrmnzymwye5op

5, 11, 3, 13, 7, 5, 2, 17, 3, 19, 5, 7, 11, 23, 3, 5, 13, 3, 7, 29, 5, 31, 2, 11, 17, 7, 3, 37, 19, 13, 5, 41, 7, 43, 11, 5, 23, 47, 3, 7, 5, 17, 13, 53, 3, 11, 7, 19, 29, 59, more...

integer, non-monotonic, +

a(n)=gpf(10+n)
gpf(n)=greatest prime factor of n
n≥0
4 operations
Prime

Sequence hehob30ax1vnk

6, 3, 2, 3, 1.2, 2, 0.8571428571, 3, 2, 1.2, 0.5454545455, 2, 0.4615384615, 0.8571428571, 1.2, 3, 0.3529411765, 2, 0.3157894737, 1.2, 0.8571428571, 0.5454545455, 0.2608695652, 2, 1.2, 0.4615384615, 2, 0.8571428571, 0.2068965517, 1.2, 0.1935483871, 3, 0.5454545455, 0.3529411765, 0.8571428571, 2, 0.1621621622, 0.3157894737, 0.4615384615, 1.2, 0.1463414634, 0.8571428571, 0.1395348837, 0.5454545455, 1.2, 0.2608695652, 0.1276595745, 2, 0.8571428571, 1.2, more...

decimal, non-monotonic, +

a(n)=6/gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence fxmjtwek2pp1n

6, 5, 4, 5, 2, 4, 0, 5, 4, 2, -4, 4, -6, 0, 2, 5, -10, 4, -12, 2, 0, -4, -16, 4, 2, -6, 4, 0, -22, 2, -24, 5, -4, -10, 0, 4, -30, -12, -6, 2, -34, 0, -36, -4, 2, -16, -40, 4, 0, 2, more...

integer, non-monotonic, +-

a(n)=7-gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence uip42ufaeyzyp

6, 7, 8, 7, 10, 8, 12, 7, 8, 10, 16, 8, 18, 12, 10, 7, 22, 8, 24, 10, 12, 16, 28, 8, 10, 18, 8, 12, 34, 10, 36, 7, 16, 22, 12, 8, 42, 24, 18, 10, 46, 12, 48, 16, 10, 28, 52, 8, 12, 10, more...

integer, non-monotonic, +

a(n)=5+gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence 1amhhaw3zj3wd

6, 12, 18, 12, 30, 18, 42, 12, 18, 30, 66, 18, 78, 42, 30, 12, 102, 18, 114, 30, 42, 66, 138, 18, 30, 78, 18, 42, 174, 30, 186, 12, 66, 102, 42, 18, 222, 114, 78, 30, 246, 42, 258, 66, 30, 138, 282, 18, 42, 30, more...

integer, non-monotonic, +

a(n)=6*gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence 005thulerm4gn

7, 2, 3, 5, 11, 3, 13, 7, 5, 2, 17, 3, 19, 5, 7, 11, 23, 3, 5, 13, 3, 7, 29, 5, 31, 2, 11, 17, 7, 3, 37, 19, 13, 5, 41, 7, 43, 11, 5, 23, 47, 3, 7, 5, 17, 13, 53, 3, 11, 7, more...

integer, non-monotonic, +

a(n)=gpf(7+n)
gpf(n)=greatest prime factor of n
n≥0
4 operations
Prime

Sequence ggmji55ghj5yi

7, 3.5, 2.3333333333, 3.5, 1.4, 2.3333333333, 1, 3.5, 2.3333333333, 1.4, 0.6363636364, 2.3333333333, 0.5384615385, 1, 1.4, 3.5, 0.4117647059, 2.3333333333, 0.3684210526, 1.4, 1, 0.6363636364, 0.3043478261, 2.3333333333, 1.4, 0.5384615385, 2.3333333333, 1, 0.2413793103, 1.4, 0.2258064516, 3.5, 0.6363636364, 0.4117647059, 1, 2.3333333333, 0.1891891892, 0.3684210526, 0.5384615385, 1.4, 0.1707317073, 1, 0.1627906977, 0.6363636364, 1.4, 0.3043478261, 0.1489361702, 2.3333333333, 1, 1.4, more...

decimal, non-monotonic, +

a(n)=7/gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence 4qvjamy1tuysi

7, 6, 5, 6, 3, 5, 1, 6, 5, 3, -3, 5, -5, 1, 3, 6, -9, 5, -11, 3, 1, -3, -15, 5, 3, -5, 5, 1, -21, 3, -23, 6, -3, -9, 1, 5, -29, -11, -5, 3, -33, 1, -35, -3, 3, -15, -39, 5, 1, 3, more...

integer, non-monotonic, +-

a(n)=8-gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence u1alcc55ogj3o

7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 11, 7, 13, 7, 7, 7, 17, 7, 19, 7, 7, 11, 23, 7, 7, 13, 7, 7, 29, 7, 31, 7, 11, 17, 7, 7, 37, 19, 13, 7, 41, 7, 43, 11, 7, 23, 47, 7, 7, 7, more...

integer, non-monotonic, +

a(n)=gpf(7*n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence y4ddnkhalozyl

7, 8, 9, 8, 11, 9, 13, 8, 9, 11, 17, 9, 19, 13, 11, 8, 23, 9, 25, 11, 13, 17, 29, 9, 11, 19, 9, 13, 35, 11, 37, 8, 17, 23, 13, 9, 43, 25, 19, 11, 47, 13, 49, 17, 11, 29, 53, 9, 13, 11, more...

integer, non-monotonic, +

a(n)=6+gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence kdanyczottnvd

7, 14, 21, 14, 35, 21, 49, 14, 21, 35, 77, 21, 91, 49, 35, 14, 119, 21, 133, 35, 49, 77, 161, 21, 35, 91, 21, 49, 203, 35, 217, 14, 77, 119, 49, 21, 259, 133, 91, 35, 287, 49, 301, 77, 35, 161, 329, 21, 49, 35, more...

integer, non-monotonic, +

a(n)=7*gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence rhe2ind2kxudo

8, 4, 2.6666666667, 4, 1.6, 2.6666666667, 1.1428571429, 4, 2.6666666667, 1.6, 0.7272727273, 2.6666666667, 0.6153846154, 1.1428571429, 1.6, 4, 0.4705882353, 2.6666666667, 0.4210526316, 1.6, 1.1428571429, 0.7272727273, 0.347826087, 2.6666666667, 1.6, 0.6153846154, 2.6666666667, 1.1428571429, 0.275862069, 1.6, 0.2580645161, 4, 0.7272727273, 0.4705882353, 1.1428571429, 2.6666666667, 0.2162162162, 0.4210526316, 0.6153846154, 1.6, 0.1951219512, 1.1428571429, 0.1860465116, 0.7272727273, 1.6, 0.347826087, 0.170212766, 2.6666666667, 1.1428571429, 1.6, more...

decimal, non-monotonic, +

a(n)=8/gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence rlvcprldqyffh

8, 7, 6, 7, 4, 6, 2, 7, 6, 4, -2, 6, -4, 2, 4, 7, -8, 6, -10, 4, 2, -2, -14, 6, 4, -4, 6, 2, -20, 4, -22, 7, -2, -8, 2, 6, -28, -10, -4, 4, -32, 2, -34, -2, 4, -14, -38, 6, 2, 4, more...

integer, non-monotonic, +-

a(n)=9-gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence ytne4g3p24k5j

8, 9, 10, 9, 12, 10, 14, 9, 10, 12, 18, 10, 20, 14, 12, 9, 24, 10, 26, 12, 14, 18, 30, 10, 12, 20, 10, 14, 36, 12, 38, 9, 18, 24, 14, 10, 44, 26, 20, 12, 48, 14, 50, 18, 12, 30, 54, 10, 14, 12, more...

integer, non-monotonic, +

a(n)=7+gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence 5rl1egqrfrsec

8, 16, 24, 16, 40, 24, 56, 16, 24, 40, 88, 24, 104, 56, 40, 16, 136, 24, 152, 40, 56, 88, 184, 24, 40, 104, 24, 56, 232, 40, 248, 16, 88, 136, 56, 24, 296, 152, 104, 40, 328, 56, 344, 88, 40, 184, 376, 24, 56, 40, more...

integer, non-monotonic, +

a(n)=8*gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence 1m4zardhm4b0h

9, 4.5, 3, 4.5, 1.8, 3, 1.2857142857, 4.5, 3, 1.8, 0.8181818182, 3, 0.6923076923, 1.2857142857, 1.8, 4.5, 0.5294117647, 3, 0.4736842105, 1.8, 1.2857142857, 0.8181818182, 0.3913043478, 3, 1.8, 0.6923076923, 3, 1.2857142857, 0.3103448276, 1.8, 0.2903225806, 4.5, 0.8181818182, 0.5294117647, 1.2857142857, 3, 0.2432432432, 0.4736842105, 0.6923076923, 1.8, 0.2195121951, 1.2857142857, 0.2093023256, 0.8181818182, 1.8, 0.3913043478, 0.1914893617, 3, 1.2857142857, 1.8, more...

decimal, non-monotonic, +

a(n)=9/gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence ahzavepoxdj4k

9, 8, 7, 8, 5, 7, 3, 8, 7, 5, -1, 7, -3, 3, 5, 8, -7, 7, -9, 5, 3, -1, -13, 7, 5, -3, 7, 3, -19, 5, -21, 8, -1, -7, 3, 7, -27, -9, -3, 5, -31, 3, -33, -1, 5, -13, -37, 7, 3, 5, more...

integer, non-monotonic, +-

a(n)=10-gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence 13phcaovnumnd

9, 10, 11, 10, 13, 11, 15, 10, 11, 13, 19, 11, 21, 15, 13, 10, 25, 11, 27, 13, 15, 19, 31, 11, 13, 21, 11, 15, 37, 13, 39, 10, 19, 25, 15, 11, 45, 27, 21, 13, 49, 15, 51, 19, 13, 31, 55, 11, 15, 13, more...

integer, non-monotonic, +

a(n)=8+gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence 1drmchvnda4vl

9, 18, 27, 18, 45, 27, 63, 18, 27, 45, 99, 27, 117, 63, 45, 18, 153, 27, 171, 45, 63, 99, 207, 27, 45, 117, 27, 63, 261, 45, 279, 18, 99, 153, 63, 27, 333, 171, 117, 45, 369, 63, 387, 99, 45, 207, 423, 27, 63, 45, more...

integer, non-monotonic, +

a(n)=9*gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence pftt5rdewxjqc

10, 5, 3.3333333333, 5, 2, 3.3333333333, 1.4285714286, 5, 3.3333333333, 2, 0.9090909091, 3.3333333333, 0.7692307692, 1.4285714286, 2, 5, 0.5882352941, 3.3333333333, 0.5263157895, 2, 1.4285714286, 0.9090909091, 0.4347826087, 3.3333333333, 2, 0.7692307692, 3.3333333333, 1.4285714286, 0.3448275862, 2, 0.3225806452, 5, 0.9090909091, 0.5882352941, 1.4285714286, 3.3333333333, 0.2702702703, 0.5263157895, 0.7692307692, 2, 0.243902439, 1.4285714286, 0.2325581395, 0.9090909091, 2, 0.4347826087, 0.2127659574, 3.3333333333, 1.4285714286, 2, more...

decimal, non-monotonic, +

a(n)=10/gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence olftl4aeymhwj

10, 11, 12, 11, 14, 12, 16, 11, 12, 14, 20, 12, 22, 16, 14, 11, 26, 12, 28, 14, 16, 20, 32, 12, 14, 22, 12, 16, 38, 14, 40, 11, 20, 26, 16, 12, 46, 28, 22, 14, 50, 16, 52, 20, 14, 32, 56, 12, 16, 14, more...

integer, non-monotonic, +

a(n)=9+gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence nktmfpzd5mzof

10, 20, 30, 20, 50, 30, 70, 20, 30, 50, 110, 30, 130, 70, 50, 20, 170, 30, 190, 50, 70, 110, 230, 30, 50, 130, 30, 70, 290, 50, 310, 20, 110, 170, 70, 30, 370, 190, 130, 50, 410, 70, 430, 110, 50, 230, 470, 30, 70, 50, more...

integer, non-monotonic, +

a(n)=10*gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence gy24eit2nmmqg

11, 12, 13, 12, 15, 13, 17, 12, 13, 15, 21, 13, 23, 17, 15, 12, 27, 13, 29, 15, 17, 21, 33, 13, 15, 23, 13, 17, 39, 15, 41, 12, 21, 27, 17, 13, 47, 29, 23, 15, 51, 17, 53, 21, 15, 33, 57, 13, 17, 15, more...

integer, non-monotonic, +

a(n)=10+gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence sfaxgqpzkttcb

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

integer, non-monotonic, +, A080339

a(n)=cf(gpf(n))
gpf(n)=greatest prime factor of n
cf(n)=characteristic function (in range)
n≥1
3 operations
Prime

Sequence xo1zj4opvp5wb

0, 0, 0, -2, 0, -3, 0, -6, -6, -5, 0, -9, 0, -7, -10, -14, 0, -15, 0, -15, -14, -11, 0, -21, -20, -13, -24, -21, 0, -25, 0, -30, -22, -17, -28, -33, 0, -19, -26, -35, 0, -35, 0, -33, -40, -23, 0, -45, -42, -45, more...

integer, non-monotonic, -

a(n)=gpf(n)-n
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence zs11nzp4mu50j

0, 0, 0, 2, 0, 3, 0, 6, 6, 5, 0, 9, 0, 7, 10, 14, 0, 15, 0, 15, 14, 11, 0, 21, 20, 13, 24, 21, 0, 25, 0, 30, 22, 17, 28, 33, 0, 19, 26, 35, 0, 35, 0, 33, 40, 23, 0, 45, 42, 45, more...

integer, non-monotonic, +

a(n)=n-gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence 0ru0lvjyw4esd

1, 1, 1, 0.5, 1, 0.5, 1, 0.25, 0.3333333333, 0.5, 1, 0.25, 1, 0.5, 0.3333333333, 0.125, 1, 0.1666666667, 1, 0.25, 0.3333333333, 0.5, 1, 0.125, 0.2, 0.5, 0.1111111111, 0.25, 1, 0.1666666667, 1, 0.0625, 0.3333333333, 0.5, 0.2, 0.0833333333, 1, 0.5, 0.3333333333, 0.125, 1, 0.1666666667, 1, 0.25, 0.1111111111, 0.5, 1, 0.0625, 0.1428571429, 0.1, more...

decimal, non-monotonic, +

a(n)=gpf(n)/n
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence e5gqzjzjlvueb

1, 1, 1, 2, 1, 2, 1, 4, 3, 2, 1, 4, 1, 2, 3, 8, 1, 6, 1, 4, 3, 2, 1, 8, 5, 2, 9, 4, 1, 6, 1, 16, 3, 2, 5, 12, 1, 2, 3, 8, 1, 6, 1, 4, 9, 2, 1, 16, 7, 10, more...

integer, non-monotonic, +, A052126

a(n)=n/gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence ffnuwdp51dgsd

1, 4, 9, 8, 25, 18, 49, 16, 27, 50, 121, 36, 169, 98, 75, 32, 289, 54, 361, 100, 147, 242, 529, 72, 125, 338, 81, 196, 841, 150, 961, 64, 363, 578, 245, 108, 1369, 722, 507, 200, 1681, 294, 1849, 484, 225, 1058, 2209, 144, 343, 250, more...

integer, non-monotonic, +, A253560

a(n)=n*gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence lm5mpgtgqufxn

2, 4, 6, 6, 10, 9, 14, 10, 12, 15, 22, 15, 26, 21, 20, 18, 34, 21, 38, 25, 28, 33, 46, 27, 30, 39, 30, 35, 58, 35, 62, 34, 44, 51, 42, 39, 74, 57, 52, 45, 82, 49, 86, 55, 50, 69, 94, 51, 56, 55, more...

integer, non-monotonic, +, A070229

a(n)=n+gpf(n)
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence tcbodt23jwvwk

-1, -4, -9, -4, -25, -9, -49, -4, -9, -25, -121, -9, -169, -49, -25, -4, -289, -9, -361, -25, -49, -121, -529, -9, -25, -169, -9, -49, -841, -25, -961, -4, -121, -289, -49, -9, -1369, -361, -169, -25, -1681, -49, -1849, -121, -25, -529, -2209, -9, -49, -25, more...

integer, non-monotonic, -

a(n)=-gpf(n)²
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence xoofch2fdkvse

0, 0.6931471806, 1.0986122887, 0.6931471806, 1.6094379124, 1.0986122887, 1.9459101491, 0.6931471806, 1.0986122887, 1.6094379124, 2.3978952728, 1.0986122887, 2.5649493575, 1.9459101491, 1.6094379124, 0.6931471806, 2.8332133441, 1.0986122887, 2.9444389792, 1.6094379124, 1.9459101491, 2.3978952728, 3.1354942159, 1.0986122887, 1.6094379124, 2.5649493575, 1.0986122887, 1.9459101491, 3.36729583, 1.6094379124, 3.4339872045, 0.6931471806, 2.3978952728, 2.8332133441, 1.9459101491, 1.0986122887, 3.6109179126, 2.9444389792, 2.5649493575, 1.6094379124, 3.7135720667, 1.9459101491, 3.7612001157, 2.3978952728, 1.6094379124, 3.1354942159, 3.8501476017, 1.0986122887, 1.9459101491, 1.6094379124, more...

decimal, non-monotonic, +

a(n)=log(gpf(n))
gpf(n)=greatest prime factor of n
n≥1
3 operations
Prime

Sequence r2z1ipxdhclpj

1, 1.4142135624, 1.7320508076, 1.4142135624, 2.2360679775, 1.7320508076, 2.6457513111, 1.4142135624, 1.7320508076, 2.2360679775, 3.3166247904, 1.7320508076, 3.6055512755, 2.6457513111, 2.2360679775, 1.4142135624, 4.1231056256, 1.7320508076, 4.3588989435, 2.2360679775, 2.6457513111, 3.3166247904, 4.7958315233, 1.7320508076, 2.2360679775, 3.6055512755, 1.7320508076, 2.6457513111, 5.3851648071, 2.2360679775, 5.5677643628, 1.4142135624, 3.3166247904, 4.1231056256, 2.6457513111, 1.7320508076, 6.0827625303, 4.3588989435, 3.6055512755, 2.2360679775, 6.4031242374, 2.6457513111, 6.5574385243, 3.3166247904, 2.2360679775, 4.7958315233, 6.8556546004, 1.7320508076, 2.6457513111, 2.2360679775, more...

decimal, non-monotonic, +

a(n)=sqrt(gpf(n))
gpf(n)=greatest prime factor of n
n≥1
3 operations
Prime

Sequence iks2t2trwqskh

2.7182818285, 7.3890560989, 20.0855369232, 7.3890560989, 148.4131591026, 20.0855369232, 1096.6331584285, 7.3890560989, 20.0855369232, 148.4131591026, 59874.1417151978, 20.0855369232, 442413.3920089205, 1096.6331584285, 148.4131591026, 7.3890560989, 24154952.7535753, 20.0855369232, 178482300.96318725, 148.4131591026, 1096.6331584285, 59874.1417151978, 9744803446.248903, 20.0855369232, 148.4131591026, 442413.3920089205, 20.0855369232, 1096.6331584285, more...

decimal, non-monotonic, +

a(n)=exp(gpf(n))
gpf(n)=greatest prime factor of n
n≥1
3 operations
Prime

Sequence aqdh5oycd5o3e

-1, -1, -2, -1, -3, -2, -3, -1, -2, -3, -5, -2, -5, -3, -3, -1, -5, -2, -7, -3, -3, -5, -7, -2, -3, -5, -2, -3, -7, -3, -5, -1, -5, -5, -3, -2, -11, -7, -5, -3, -11, -3, -13, -5, -3, -7, -9, -2, -3, -3, more...

integer, non-monotonic, -

a(n)=-stern(gpf(n))
gpf(n)=greatest prime factor of n
stern(n)=Stern-Brocot sequence
n≥1
4 operations
Prime

Sequence ufe5aaqaoqfsm

-1, -1, -2, -1, -3, -2, -3, -1, -2, -3, -5, -2, -5, -3, -2, -1, -5, -2, -7, -3, -2, -5, -7, -2, -7, -5, -2, -3, -7, -2, -5, -1, -3, -5, -3, -2, -11, -7, -5, -3, -11, -2, -13, -5, -3, -7, -3, -2, -3, -7, more...

integer, non-monotonic, -

a(n)=-gpf(stern(n))
stern(n)=Stern-Brocot sequence
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime

Sequence xhzysmhdkuudg

0, -1, -3, -6, -8, -13, -16, -23, -25, -28, -33, -44, -47, -60, -67, -72, -74, -91, -94, -113, -118, -125, -136, -159, -162, -167, -180, -183, -190, -219, -224, -255, -257, -268, -285, -292, -295, -332, -351, -364, -369, -410, -417, -460, -471, -476, -499, -546, -549, -556, more...

integer, strictly-monotonic, -

a(n)=a(n-1)-gpf(n)
a(0)=0
gpf(n)=greatest prime factor of n
n≥0
4 operations
Prime

Sequence tazmvnswu3ufo

0, 1, 1, 2, 0, 5, -2, 9, -7, 10, -5, 16, -13, 26, -19, 24, -22, 39, -36, 55, -50, 57, -46, 69, -66, 71, -58, 61, -54, 83, -78, 109, -107, 118, -101, 108, -105, 142, -123, 136, -131, 172, -165, 208, -197, 202, -179, 226, -223, 230, more...

integer, non-monotonic, +-

a(n)=gpf(n)-a(n-1)
a(0)=0
gpf(n)=greatest prime factor of n
n≥0
4 operations
Prime

Sequence gxmm2tudqetjf

0, 1, 1, 2, 2, 3, 3, 2, 3, 3, 7, 2, 5, 2, 3, 3, 13, 2, 2, 17, 3, 3, 19, 2, 11, 7, 19, 2, 13, 2, 7, 3, 29, 2, 2, 11, 5, 2, 3, 3, 37, 2, 5, 19, 5, 5, 41, 3, 5, 11, more...

integer, non-monotonic, +

a(n)=gpf(n-a(n-1))
a(0)=0
gpf(n)=greatest prime factor of n
n≥0
4 operations
Prime

Sequence vfacec3j21iyc

0, 1, 3, 3, 7, 3, 3, 5, 13, 11, 7, 3, 5, 3, 17, 2, 3, 5, 23, 7, 3, 3, 5, 7, 31, 7, 11, 19, 47, 19, 7, 19, 17, 5, 13, 3, 13, 5, 43, 41, 3, 11, 53, 3, 47, 23, 23, 7, 11, 5, more...

integer, non-monotonic, +

a(n)=gpf(n+a(n-1))
a(0)=0
gpf(n)=greatest prime factor of n
n≥0
4 operations
Prime

Sequence 5yyol3dngqapo

0, 1, 3, 6, 8, 13, 16, 23, 25, 28, 33, 44, 47, 60, 67, 72, 74, 91, 94, 113, 118, 125, 136, 159, 162, 167, 180, 183, 190, 219, 224, 255, 257, 268, 285, 292, 295, 332, 351, 364, 369, 410, 417, 460, 471, 476, 499, 546, 549, 556, more...

integer, strictly-monotonic, +

a(n)=gpf(n)+a(n-1)
a(0)=0
gpf(n)=greatest prime factor of n
n≥0
4 operations
Prime

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