Sequence Database

A database with 899757 machine generated integer and decimal sequences.

Displaying result 0-99 of total 51949. [0] [1] [2] [3] [4] ... [519]

Sequence 1ouwsby2jnaal

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

integer, non-monotonic, +, A020639

a(n)=lpf(n)
lpf(n)=least prime factor of n
n≥1
2 operations
Prime

Sequence yllw0pgoktc1h

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

integer, non-monotonic, -

a(n)=-lpf(n)
lpf(n)=least prime factor of n
n≥1
3 operations
Prime

Sequence sh325sbulwxbe

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

integer, non-monotonic, +, A088377

a(n)=lpf(n)²
lpf(n)=least prime factor of n
n≥1
3 operations
Prime

Sequence qoq1drzc2u12n

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

integer, non-monotonic, +

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

Sequence via0f5dbei4ve

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

integer, non-monotonic, +

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

Sequence 3gumzpedcmrl

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

integer, non-monotonic, +-

a(n)=lpf(n)-10
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence ybv4he44kuq0j

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

integer, non-monotonic, +-

a(n)=lpf(n)-9
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence sn3bq0xgkpnvm

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

integer, non-monotonic, +-

a(n)=lpf(n)-8
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence zvclbjkpzdmyl

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

integer, non-monotonic, +-

a(n)=lpf(n)-7
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence n3lqi1vuceqn

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

integer, non-monotonic, +-

a(n)=lpf(n)-6
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence zo024nhcq221k

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

integer, non-monotonic, +-

a(n)=lpf(n)-5
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence ylpwsvyrap34c

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

integer, non-monotonic, +-

a(n)=lpf(n)-4
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence nrv01s2yjtjaf

-2.1415926536, -1.1415926536, -0.1415926536, -1.1415926536, 1.8584073464, -1.1415926536, 3.8584073464, -1.1415926536, -0.1415926536, -1.1415926536, 7.8584073464, -1.1415926536, 9.8584073464, -1.1415926536, -0.1415926536, -1.1415926536, 13.8584073464, -1.1415926536, 15.8584073464, -1.1415926536, -0.1415926536, -1.1415926536, 19.8584073464, -1.1415926536, 1.8584073464, more...

decimal, non-monotonic, +-

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

Sequence joa5fahs540rk

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

integer, non-monotonic, +-

a(n)=lpf(n)-3
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence xniegheq22hyf

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

integer, non-monotonic, +-

a(n)=lpf(n)-2
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence kqmdr4fodcasb

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

integer, non-monotonic, -

a(n)=1-lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence wdyau4bczhkac

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

integer, non-monotonic, +

a(n)=lpf(n)-1
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence hwgwfvvgsb5lg

0.1, 0.2, 0.3, 0.2, 0.5, 0.2, 0.7, 0.2, 0.3, 0.2, 1.1, 0.2, 1.3, 0.2, 0.3, 0.2, 1.7, 0.2, 1.9, 0.2, 0.3, 0.2, 2.3, 0.2, 0.5, more...

decimal, non-monotonic, +

a(n)=lpf(n)/10
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence apzg32ubhc0rj

0.1111111111, 0.2222222222, 0.3333333333, 0.2222222222, 0.5555555556, 0.2222222222, 0.7777777778, 0.2222222222, 0.3333333333, 0.2222222222, 1.2222222222, 0.2222222222, 1.4444444444, 0.2222222222, 0.3333333333, 0.2222222222, 1.8888888889, 0.2222222222, 2.1111111111, 0.2222222222, 0.3333333333, 0.2222222222, 2.5555555556, 0.2222222222, 0.5555555556, more...

decimal, non-monotonic, +

a(n)=lpf(n)/9
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence fcyzgrbqjcjeb

0.125, 0.25, 0.375, 0.25, 0.625, 0.25, 0.875, 0.25, 0.375, 0.25, 1.375, 0.25, 1.625, 0.25, 0.375, 0.25, 2.125, 0.25, 2.375, 0.25, 0.375, 0.25, 2.875, 0.25, 0.625, more...

decimal, non-monotonic, +

a(n)=lpf(n)/8
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence qikhbuml54jfj

0.1428571429, 0.2857142857, 0.4285714286, 0.2857142857, 0.7142857143, 0.2857142857, 1, 0.2857142857, 0.4285714286, 0.2857142857, 1.5714285714, 0.2857142857, 1.8571428571, 0.2857142857, 0.4285714286, 0.2857142857, 2.4285714286, 0.2857142857, 2.7142857143, 0.2857142857, 0.4285714286, 0.2857142857, 3.2857142857, 0.2857142857, 0.7142857143, more...

decimal, non-monotonic, +

a(n)=lpf(n)/7
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence 1eiayy2m10z3p

0.1666666667, 0.3333333333, 0.5, 0.3333333333, 0.8333333333, 0.3333333333, 1.1666666667, 0.3333333333, 0.5, 0.3333333333, 1.8333333333, 0.3333333333, 2.1666666667, 0.3333333333, 0.5, 0.3333333333, 2.8333333333, 0.3333333333, 3.1666666667, 0.3333333333, 0.5, 0.3333333333, 3.8333333333, 0.3333333333, 0.8333333333, more...

decimal, non-monotonic, +

a(n)=lpf(n)/6
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence g5rvanokbdo4g

0.2, 0.4, 0.6, 0.4, 1, 0.4, 1.4, 0.4, 0.6, 0.4, 2.2, 0.4, 2.6, 0.4, 0.6, 0.4, 3.4, 0.4, 3.8, 0.4, 0.6, 0.4, 4.6, 0.4, 1, more...

decimal, non-monotonic, +

a(n)=lpf(n)/5
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence cmwwoupv4mfzf

0.25, 0.5, 0.75, 0.5, 1.25, 0.5, 1.75, 0.5, 0.75, 0.5, 2.75, 0.5, 3.25, 0.5, 0.75, 0.5, 4.25, 0.5, 4.75, 0.5, 0.75, 0.5, 5.75, 0.5, 1.25, more...

decimal, non-monotonic, +

a(n)=lpf(n)/4
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence ry5ncekjvagrp

0.3183098862, 0.6366197724, 0.9549296586, 0.6366197724, 1.5915494309, 0.6366197724, 2.2281692033, 0.6366197724, 0.9549296586, 0.6366197724, 3.501408748, 0.6366197724, 4.1380285204, 0.6366197724, 0.9549296586, 0.6366197724, 5.4112680651, 0.6366197724, 6.0478878375, 0.6366197724, 0.9549296586, 0.6366197724, 7.3211273822, 0.6366197724, 1.5915494309, more...

decimal, non-monotonic, +

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

Sequence h5mz3n34eqvml

0.3333333333, 0.6666666667, 1, 0.6666666667, 1.6666666667, 0.6666666667, 2.3333333333, 0.6666666667, 1, 0.6666666667, 3.6666666667, 0.6666666667, 4.3333333333, 0.6666666667, 1, 0.6666666667, 5.6666666667, 0.6666666667, 6.3333333333, 0.6666666667, 1, 0.6666666667, 7.6666666667, 0.6666666667, 1.6666666667, more...

decimal, non-monotonic, +

a(n)=lpf(n)/3
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence magp2ksi2hysm

0.5, 1, 1.5, 1, 2.5, 1, 3.5, 1, 1.5, 1, 5.5, 1, 6.5, 1, 1.5, 1, 8.5, 1, 9.5, 1, 1.5, 1, 11.5, 1, 2.5, more...

decimal, non-monotonic, +

a(n)=lpf(n)/2
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence c3try3edtk3df

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

integer, non-monotonic, +-

a(n)=2-lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence x4jdtzghljsdm

1, 0.5, 0.3333333333, 0.5, 0.2, 0.5, 0.1428571429, 0.5, 0.3333333333, 0.5, 0.0909090909, 0.5, 0.0769230769, 0.5, 0.3333333333, 0.5, 0.0588235294, 0.5, 0.0526315789, 0.5, 0.3333333333, 0.5, 0.0434782609, 0.5, 0.2, more...

decimal, non-monotonic, +

a(n)=1/lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence z25v1wc5o5gm

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

integer, non-monotonic, +-

a(n)=3-lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence asxgwgc3dfuxn

2, 1, 0.6666666667, 1, 0.4, 1, 0.2857142857, 1, 0.6666666667, 1, 0.1818181818, 1, 0.1538461538, 1, 0.6666666667, 1, 0.1176470588, 1, 0.1052631579, 1, 0.6666666667, 1, 0.0869565217, 1, 0.4, more...

decimal, non-monotonic, +

a(n)=2/lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence cfexqqn0xa0sf

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

integer, non-monotonic, +, A092028

a(n)=lpf(2+n)
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence u4o2n4yqil5mk

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

integer, non-monotonic, +

a(n)=lpf(8+n)
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence q0n5w1qaidwpk

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

integer, non-monotonic, +

a(n)=1+lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence tujkwldcr3hte

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

integer, non-monotonic, +

a(n)=2*lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence ybm2cdxkznw5p

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

integer, non-monotonic, +

a(n)=lpf(4+n)
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence vvh3ggllyeduk

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

integer, non-monotonic, +

a(n)=lpf(6+n)
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence i0lij1v5dqa1

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

integer, non-monotonic, +

a(n)=lpf(10+n)
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence k2aohsev3gtcb

2.1415926536, 1.1415926536, 0.1415926536, 1.1415926536, -1.8584073464, 1.1415926536, -3.8584073464, 1.1415926536, 0.1415926536, 1.1415926536, -7.8584073464, 1.1415926536, -9.8584073464, 1.1415926536, 0.1415926536, 1.1415926536, -13.8584073464, 1.1415926536, -15.8584073464, 1.1415926536, 0.1415926536, 1.1415926536, -19.8584073464, 1.1415926536, -1.8584073464, more...

decimal, non-monotonic, +-

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

Sequence zg5c2zkewcn3i

3, 1.5, 1, 1.5, 0.6, 1.5, 0.4285714286, 1.5, 1, 1.5, 0.2727272727, 1.5, 0.2307692308, 1.5, 1, 1.5, 0.1764705882, 1.5, 0.1578947368, 1.5, 1, 1.5, 0.1304347826, 1.5, 0.6, more...

decimal, non-monotonic, +

a(n)=3/lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence ptr0m24e0ieoh

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

integer, non-monotonic, +-

a(n)=4-lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence 4xuocqqbzwywo

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

integer, non-monotonic, +

a(n)=lpf(3+n)
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence 1bgnba2xa1nhn

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

integer, non-monotonic, +

a(n)=lpf(9+n)
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence rlgv5rbzpqiae

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

integer, non-monotonic, +

a(n)=2+lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence lvti1cziewb1n

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

integer, non-monotonic, +

a(n)=3*lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence xkfzv132puntm

3.1415926536, 1.5707963268, 1.0471975512, 1.5707963268, 0.6283185307, 1.5707963268, 0.4487989505, 1.5707963268, 1.0471975512, 1.5707963268, 0.2855993321, 1.5707963268, 0.2416609734, 1.5707963268, 1.0471975512, 1.5707963268, 0.1847995679, 1.5707963268, 0.1653469818, 1.5707963268, 1.0471975512, 1.5707963268, 0.1365909849, 1.5707963268, 0.6283185307, more...

decimal, non-monotonic, +

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

Sequence mxy3okch40p2f

3.1415926536, 6.2831853072, 9.4247779608, 6.2831853072, 15.7079632679, 6.2831853072, 21.9911485751, 6.2831853072, 9.4247779608, 6.2831853072, 34.5575191895, 6.2831853072, 40.8407044967, 6.2831853072, 9.4247779608, 6.2831853072, 53.407075111, 6.2831853072, 59.6902604182, 6.2831853072, 9.4247779608, 6.2831853072, 72.2566310326, 6.2831853072, 15.7079632679, more...

decimal, non-monotonic, +

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

Sequence o2qcqne2sdhsi

4, 2, 1.3333333333, 2, 0.8, 2, 0.5714285714, 2, 1.3333333333, 2, 0.3636363636, 2, 0.3076923077, 2, 1.3333333333, 2, 0.2352941176, 2, 0.2105263158, 2, 1.3333333333, 2, 0.1739130435, 2, 0.8, more...

decimal, non-monotonic, +

a(n)=4/lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence utcks3wzgeh5m

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

integer, non-monotonic, +-

a(n)=5-lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence qcndnagjwslei

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

integer, non-monotonic, +

a(n)=3+lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence 4pxvi3op2p3rc

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

integer, non-monotonic, +

a(n)=4*lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence sz0yy00xa5gmo

4.1415926536, 5.1415926536, 6.1415926536, 5.1415926536, 8.1415926536, 5.1415926536, 10.1415926536, 5.1415926536, 6.1415926536, 5.1415926536, 14.1415926536, 5.1415926536, 16.1415926536, 5.1415926536, 6.1415926536, 5.1415926536, 20.1415926536, 5.1415926536, 22.1415926536, 5.1415926536, 6.1415926536, 5.1415926536, 26.1415926536, 5.1415926536, 8.1415926536, more...

decimal, non-monotonic, +

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

Sequence 1pivakcs32ztn

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

integer, non-monotonic, +

a(n)=lpf(5+n)
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence eecwbkopdnu4c

5, 2.5, 1.6666666667, 2.5, 1, 2.5, 0.7142857143, 2.5, 1.6666666667, 2.5, 0.4545454545, 2.5, 0.3846153846, 2.5, 1.6666666667, 2.5, 0.2941176471, 2.5, 0.2631578947, 2.5, 1.6666666667, 2.5, 0.2173913043, 2.5, 1, more...

decimal, non-monotonic, +

a(n)=5/lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence 550cqi4repzbk

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

integer, non-monotonic, +-

a(n)=6-lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence nhbmdr4a2yp1k

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

integer, non-monotonic, +

a(n)=4+lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence x1chf0slabznf

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

integer, non-monotonic, +

a(n)=5*lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence exmetnntbfszc

6, 3, 2, 3, 1.2, 3, 0.8571428571, 3, 2, 3, 0.5454545455, 3, 0.4615384615, 3, 2, 3, 0.3529411765, 3, 0.3157894737, 3, 2, 3, 0.2608695652, 3, 1.2, more...

decimal, non-monotonic, +

a(n)=6/lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence f2qqjxgqhdmef

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

integer, non-monotonic, +-

a(n)=7-lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence 3ofhfdmbc1f5m

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

integer, non-monotonic, +

a(n)=5+lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence 1kkgtbngfuysn

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

integer, non-monotonic, +

a(n)=6*lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence fzoaev5y2z5mh

7, 2, 3, 2, 5, 2, 7, 2, 3, 2, 7, 2, 7, 2, 3, 2, 7, 2, 7, 2, 3, 2, 7, 2, 5, 2, 3, 2, 7, 2, 7, 2, 3, 2, 5, 2, 7, 2, 3, 2, 7, 2, 7, 2, 3, 2, 7, 2, 7, 2, more...

integer, non-monotonic, +, A291361

a(n)=lpf(7*n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence jhednqd4tuhfk

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

integer, non-monotonic, +

a(n)=lpf(7+n)
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence qtnuxiukkwk0l

7, 3.5, 2.3333333333, 3.5, 1.4, 3.5, 1, 3.5, 2.3333333333, 3.5, 0.6363636364, 3.5, 0.5384615385, 3.5, 2.3333333333, 3.5, 0.4117647059, 3.5, 0.3684210526, 3.5, 2.3333333333, 3.5, 0.3043478261, 3.5, 1.4, more...

decimal, non-monotonic, +

a(n)=7/lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence o5neojmg1yocc

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

integer, non-monotonic, +-

a(n)=8-lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence bdem0fikshy5b

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

integer, non-monotonic, +

a(n)=6+lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence udovs1us24rrb

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

integer, non-monotonic, +

a(n)=7*lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence dlbaglwzib1ej

8, 4, 2.6666666667, 4, 1.6, 4, 1.1428571429, 4, 2.6666666667, 4, 0.7272727273, 4, 0.6153846154, 4, 2.6666666667, 4, 0.4705882353, 4, 0.4210526316, 4, 2.6666666667, 4, 0.347826087, 4, 1.6, more...

decimal, non-monotonic, +

a(n)=8/lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence w3r0mwhu0hqgc

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

integer, non-monotonic, +-

a(n)=9-lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence 2eca5awmpmi4

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

integer, non-monotonic, +

a(n)=7+lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence pgs1koz4kii3c

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

integer, non-monotonic, +

a(n)=8*lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence ok2orlusx3k3p

9, 4.5, 3, 4.5, 1.8, 4.5, 1.2857142857, 4.5, 3, 4.5, 0.8181818182, 4.5, 0.6923076923, 4.5, 3, 4.5, 0.5294117647, 4.5, 0.4736842105, 4.5, 3, 4.5, 0.3913043478, 4.5, 1.8, more...

decimal, non-monotonic, +

a(n)=9/lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence 1wzkie1k3rbbl

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

integer, non-monotonic, +-

a(n)=10-lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence 4zxc3nctp1p5e

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

integer, non-monotonic, +

a(n)=8+lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence wy25hjbiqcbkn

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

integer, non-monotonic, +

a(n)=9*lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence b4d3qunarhuhn

10, 5, 3.3333333333, 5, 2, 5, 1.4285714286, 5, 3.3333333333, 5, 0.9090909091, 5, 0.7692307692, 5, 3.3333333333, 5, 0.5882352941, 5, 0.5263157895, 5, 3.3333333333, 5, 0.4347826087, 5, 2, more...

decimal, non-monotonic, +

a(n)=10/lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence m3sdcm2npp32n

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

integer, non-monotonic, +

a(n)=9+lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence jiru3ax4co3rb

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

integer, non-monotonic, +

a(n)=10*lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence k4oyiqo4kqab

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

integer, non-monotonic, +

a(n)=10+lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence nxhattkvy1xie

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

integer, non-monotonic, +-

a(n)=Δ(lpf(n))
lpf(n)=least prime factor of n
Δ(a)=differences of a
n≥1
3 operations
Prime

Sequence 14yqtnydbp2gg

1, 2, 6, 12, 60, 120, 840, 1680, 5040, 10080, 110880, 221760, 2882880, 5765760, 17297280, 34594560, 588107520, 1176215040, 22348085760, 44696171520, more...

integer, strictly-monotonic, +, A072486

a(n)=∏(lpf(n))
lpf(n)=least prime factor of n
∏(a)=partial products of a
n≥1
3 operations
Prime

Sequence kqdawlwailgfk

1, 3, 2, 2, 3, 3, 2, 2, 3, 5, 2, 2, 7, 3, 2, 2, 3, 3, 2, 2, 3, 11, 2, 2, 5, 3, 2, 2, 3, 3, 2, 2, 3, 5, 2, 2, 19, 3, 2, 2, 3, 3, 2, 2, 3, 23, 2, 2, 5, 3, more...

integer, non-monotonic, +, A069901

a(n)=lpf(∑(n))
∑(a)=partial sums of a
lpf(n)=least prime factor of n
n≥1
3 operations
Prime

Sequence tq0jcwbq2ffwi

1, 3, 6, 8, 13, 15, 22, 24, 27, 29, 40, 42, 55, 57, 60, 62, 79, 81, 100, 102, 105, 107, 130, 132, 137, 139, 142, 144, 173, 175, 206, 208, 211, 213, 218, 220, 257, 259, 262, 264, 305, 307, 350, 352, 355, 357, 404, 406, 413, 415, more...

integer, strictly-monotonic, +, A046669

a(n)=∑(lpf(n))
lpf(n)=least prime factor of n
∑(a)=partial sums of a
n≥1
3 operations
Prime

Sequence 3hzzxfqr2uo3d

0, 0, 0, -2, 0, -4, 0, -6, -6, -8, 0, -10, 0, -12, -12, -14, 0, -16, 0, -18, -18, -20, 0, -22, -20, -24, -24, -26, 0, -28, 0, -30, -30, -32, -30, -34, 0, -36, -36, -38, 0, -40, 0, -42, -42, -44, 0, -46, -42, -48, more...

integer, non-monotonic, -

a(n)=lpf(n)-n
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence qsorctfnvnbtg

0, 0, 0, 2, 0, 4, 0, 6, 6, 8, 0, 10, 0, 12, 12, 14, 0, 16, 0, 18, 18, 20, 0, 22, 20, 24, 24, 26, 0, 28, 0, 30, 30, 32, 30, 34, 0, 36, 36, 38, 0, 40, 0, 42, 42, 44, 0, 46, 42, 48, more...

integer, non-monotonic, +

a(n)=n-lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence ur4tyrc35nqud

1, 1, 1, 0.5, 1, 0.3333333333, 1, 0.25, 0.3333333333, 0.2, 1, 0.1666666667, 1, 0.1428571429, 0.2, 0.125, 1, 0.1111111111, 1, 0.1, 0.1428571429, 0.0909090909, 1, 0.0833333333, 0.2, more...

decimal, non-monotonic, +

a(n)=lpf(n)/n
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence timq2otwiycqb

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

integer, non-monotonic, +, A032742

a(n)=n/lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence zcvhcmf4s5yjp

1, 4, 9, 8, 25, 12, 49, 16, 27, 20, 121, 24, 169, 28, 45, 32, 289, 36, 361, 40, 63, 44, 529, 48, 125, 52, 81, 56, 841, 60, 961, 64, 99, 68, 175, 72, 1369, 76, 117, 80, 1681, 84, 1849, 88, 135, 92, 2209, 96, 343, 100, more...

integer, non-monotonic, +, A285109

a(n)=n*lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence 4yj32vnixy3ne

2, 4, 6, 6, 10, 8, 14, 10, 12, 12, 22, 14, 26, 16, 18, 18, 34, 20, 38, 22, 24, 24, 46, 26, 30, 28, 30, 30, 58, 32, 62, 34, 36, 36, 40, 38, 74, 40, 42, 42, 82, 44, 86, 46, 48, 48, 94, 50, 56, 52, more...

integer, non-monotonic, +, A061228

a(n)=n+lpf(n)
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence 23n2nnvqttpqp

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

integer, non-monotonic, -

a(n)=-lpf(n)²
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence eih1lsqinksbj

0, 0.6931471806, 1.0986122887, 0.6931471806, 1.6094379124, 0.6931471806, 1.9459101491, 0.6931471806, 1.0986122887, 0.6931471806, 2.3978952728, 0.6931471806, 2.5649493575, 0.6931471806, 1.0986122887, 0.6931471806, 2.8332133441, 0.6931471806, 2.9444389792, 0.6931471806, 1.0986122887, 0.6931471806, 3.1354942159, 0.6931471806, 1.6094379124, more...

decimal, non-monotonic, +

a(n)=log(lpf(n))
lpf(n)=least prime factor of n
n≥1
3 operations
Prime

Sequence vzlrcnyp0wbfl

1, 1.4142135624, 1.7320508076, 1.4142135624, 2.2360679775, 1.4142135624, 2.6457513111, 1.4142135624, 1.7320508076, 1.4142135624, 3.3166247904, 1.4142135624, 3.6055512755, 1.4142135624, 1.7320508076, 1.4142135624, 4.1231056256, 1.4142135624, 4.3588989435, 1.4142135624, 1.7320508076, 1.4142135624, 4.7958315233, 1.4142135624, 2.2360679775, more...

decimal, non-monotonic, +

a(n)=sqrt(lpf(n))
lpf(n)=least prime factor of n
n≥1
3 operations
Prime

Sequence krozndxoxgrcb

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

decimal, non-monotonic, +

a(n)=exp(lpf(n))
lpf(n)=least prime factor of n
n≥1
3 operations
Prime

Sequence rcgr235o0dcdi

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

integer, non-monotonic, -

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

Sequence t15r2f3axlgoj

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

integer, non-monotonic, -

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

Sequence unjjbzvvrenwe

0, -1, -3, -6, -8, -13, -15, -22, -24, -27, -29, -40, -42, -55, -57, -60, -62, -79, -81, -100, -102, -105, -107, -130, -132, -137, -139, -142, -144, -173, -175, -206, -208, -211, -213, -218, -220, -257, -259, -262, -264, -305, -307, -350, -352, -355, -357, -404, -406, -413, more...

integer, strictly-monotonic, -

a(n)=a(n-1)-lpf(n)
a(0)=0
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence aw31o41pjpr2m

0, 1, 1, 2, 0, 5, -3, 10, -8, 11, -9, 20, -18, 31, -29, 32, -30, 47, -45, 64, -62, 65, -63, 86, -84, 89, -87, 90, -88, 117, -115, 146, -144, 147, -145, 150, -148, 185, -183, 186, -184, 225, -223, 266, -264, 267, -265, 312, -310, 317, more...

integer, non-monotonic, +-

a(n)=lpf(n)-a(n-1)
a(0)=0
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence c0oakrqu0d3en

0, 1, 1, 2, 2, 3, 3, 2, 2, 7, 3, 2, 2, 11, 3, 2, 2, 3, 3, 2, 2, 19, 3, 2, 2, 23, 3, 2, 2, 3, 3, 2, 2, 31, 3, 2, 2, 5, 3, 2, 2, 3, 3, 2, 2, 43, 3, 2, 2, 47, more...

integer, non-monotonic, +

a(n)=lpf(n-a(n-1))
a(0)=0
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence cugmmi3foz04b

0, 1, 3, 2, 2, 7, 13, 2, 2, 11, 3, 2, 2, 3, 17, 2, 2, 19, 37, 2, 2, 23, 3, 2, 2, 3, 29, 2, 2, 31, 61, 2, 2, 5, 3, 2, 2, 3, 41, 2, 2, 43, 5, 2, 2, 47, 3, 2, 2, 3, more...

integer, non-monotonic, +

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

Sequence l4fual2y3tikd

0, 1, 3, 6, 8, 13, 15, 22, 24, 27, 29, 40, 42, 55, 57, 60, 62, 79, 81, 100, 102, 105, 107, 130, 132, 137, 139, 142, 144, 173, 175, 206, 208, 211, 213, 218, 220, 257, 259, 262, 264, 305, 307, 350, 352, 355, 357, 404, 406, 413, more...

integer, strictly-monotonic, +

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

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