Sequence Database

A database with 1693109 machine generated integer and decimal sequences.

Displaying result 0-99 of total 34364. [0] [1] [2] [3] [4] ... [343]

Sequence gekakw1rgdk0j

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
a(n)=gcd(n, lpf(n))
lpf(n)=least prime factor of n
gcd(a,b)=greatest common divisor
n≥1
4 operations
Prime
a(n)=gpf(lpf(n)²)
lpf(n)=least prime factor of n
gpf(n)=greatest prime factor of n
n≥1
4 operations
Prime
a(n)=exp(Λ(lpf(n)))
lpf(n)=least prime factor of n
Λ(n)=Von Mangoldt's function
n≥1
4 operations
Prime

Sequence 3tbh1k35bcy0g

-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 isdl4z34bxc2

-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 ybg0otaluyqff

-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 rwguq34s3tbti

-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 kzn34yzrp1sfg

-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 hlswvrte4fazk

-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 epzjxyp2kjxlm

-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 schbuslughvfb

-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 yuimkdkxex2kb

-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 vgymnya31013

-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 g2yibw0wvickg

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 cpdz1ahpmml3n

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 azdhm3nbbybuo

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 stnophgpstk0e

0.1111111111111111, 0.2222222222222222, 0.3333333333333333, 0.2222222222222222, 0.5555555555555556, 0.2222222222222222, 0.7777777777777778, 0.2222222222222222, 0.3333333333333333, 0.2222222222222222, 1.2222222222222223, 0.2222222222222222, 1.4444444444444444, 0.2222222222222222, 0.3333333333333333, 0.2222222222222222, 1.8888888888888888, 0.2222222222222222, 2.111111111111111, 0.2222222222222222, 0.3333333333333333, 0.2222222222222222, 2.5555555555555554, 0.2222222222222222, 0.5555555555555556, more...

decimal, non-monotonic, +

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

Sequence haprrg0cd1ki

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 xi0d3yi0zympk

0.14285714285714285, 0.2857142857142857, 0.42857142857142855, 0.2857142857142857, 0.7142857142857143, 0.2857142857142857, 1, 0.2857142857142857, 0.42857142857142855, 0.2857142857142857, 1.5714285714285714, 0.2857142857142857, 1.8571428571428572, 0.2857142857142857, 0.42857142857142855, 0.2857142857142857, 2.4285714285714284, 0.2857142857142857, 2.7142857142857144, 0.2857142857142857, 0.42857142857142855, 0.2857142857142857, 3.2857142857142856, 0.2857142857142857, 0.7142857142857143, more...

decimal, non-monotonic, +

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

Sequence f1g2eg0lfrvcg

0.16666666666666666, 0.3333333333333333, 0.5, 0.3333333333333333, 0.8333333333333334, 0.3333333333333333, 1.1666666666666667, 0.3333333333333333, 0.5, 0.3333333333333333, 1.8333333333333333, 0.3333333333333333, 2.1666666666666665, 0.3333333333333333, 0.5, 0.3333333333333333, 2.8333333333333335, 0.3333333333333333, 3.1666666666666665, 0.3333333333333333, 0.5, 0.3333333333333333, 3.8333333333333335, 0.3333333333333333, 0.8333333333333334, more...

decimal, non-monotonic, +

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

Sequence ilpgfqpupnzhf

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 bn3mpb5g5kuko

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 3amr5414bbgib

0.3333333333333333, 0.6666666666666666, 1, 0.6666666666666666, 1.6666666666666667, 0.6666666666666666, 2.3333333333333335, 0.6666666666666666, 1, 0.6666666666666666, 3.6666666666666665, 0.6666666666666666, 4.333333333333333, 0.6666666666666666, 1, 0.6666666666666666, 5.666666666666667, 0.6666666666666666, 6.333333333333333, 0.6666666666666666, 1, 0.6666666666666666, 7.666666666666667, 0.6666666666666666, 1.6666666666666667, more...

decimal, non-monotonic, +

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

Sequence ozcz5urbovvbp

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 uqmnxplqx05fh

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 b1lpr5logye4

1, 0.5, 0.3333333333333333, 0.5, 0.2, 0.5, 0.14285714285714285, 0.5, 0.3333333333333333, 0.5, 0.09090909090909091, 0.5, 0.07692307692307693, 0.5, 0.3333333333333333, 0.5, 0.058823529411764705, 0.5, 0.05263157894736842, 0.5, 0.3333333333333333, 0.5, 0.043478260869565216, 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 ibdmoh53oozh

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 d1iccoyxym1ao

2, 1, 0.6666666666666666, 1, 0.4, 1, 0.2857142857142857, 1, 0.6666666666666666, 1, 0.18181818181818182, 1, 0.15384615384615385, 1, 0.6666666666666666, 1, 0.11764705882352941, 1, 0.10526315789473684, 1, 0.6666666666666666, 1, 0.08695652173913043, 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 grnispsljhtnh

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 pammp2kz3yruf

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 rhwywjjolnxpf

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 jsg5evs4qaxyi

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 3j32v0oydtgbi

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 2rusgjrouzz0h

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 nlxplayo1weeo

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 uj5dy2vmqj2ld

3, 1.5, 1, 1.5, 0.6, 1.5, 0.42857142857142855, 1.5, 1, 1.5, 0.2727272727272727, 1.5, 0.23076923076923078, 1.5, 1, 1.5, 0.17647058823529413, 1.5, 0.15789473684210525, 1.5, 1, 1.5, 0.13043478260869565, 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 5ivwr2cupppak

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 300ispncagszj

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 tfo0maiasrx3d

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 mak4eqtgav2xe

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 xnkseuzfuy0om

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 p2lzstmncti1d

4, 2, 1.3333333333333333, 2, 0.8, 2, 0.5714285714285714, 2, 1.3333333333333333, 2, 0.36363636363636365, 2, 0.3076923076923077, 2, 1.3333333333333333, 2, 0.23529411764705882, 2, 0.21052631578947367, 2, 1.3333333333333333, 2, 0.17391304347826086, 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 5urxwo3i2oauj

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 sllhjrc50cxsf

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 c54hweogfxzjd

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 i2foxcifzxufj

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 n5zh4rajhgden

5, 2.5, 1.6666666666666667, 2.5, 1, 2.5, 0.7142857142857143, 2.5, 1.6666666666666667, 2.5, 0.45454545454545453, 2.5, 0.38461538461538464, 2.5, 1.6666666666666667, 2.5, 0.29411764705882354, 2.5, 0.2631578947368421, 2.5, 1.6666666666666667, 2.5, 0.21739130434782608, 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 sr1evkitpyate

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 5v4ueuhv25uin

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 2smmvov0af2hg

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 l23pob1vi1x5g

6, 3, 2, 3, 1.2, 3, 0.8571428571428571, 3, 2, 3, 0.5454545454545454, 3, 0.46153846153846156, 3, 2, 3, 0.35294117647058826, 3, 0.3157894736842105, 3, 2, 3, 0.2608695652173913, 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 ll5hi3awtmvfk

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 tibv4a4gn20ig

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 aj2r2ac5gfmuo

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 ikh1abycqfhih

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 eer313zs5mj5m

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 zrwjk3xysxflj

7, 3.5, 2.3333333333333335, 3.5, 1.4, 3.5, 1, 3.5, 2.3333333333333335, 3.5, 0.6363636363636364, 3.5, 0.5384615384615384, 3.5, 2.3333333333333335, 3.5, 0.4117647058823529, 3.5, 0.3684210526315789, 3.5, 2.3333333333333335, 3.5, 0.30434782608695654, 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 vnrh40lm4wemg

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 cbiglxo5ojfvg

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 v02yhwhapcaxc

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 qvqeaxm3va0eh

8, 4, 2.6666666666666665, 4, 1.6, 4, 1.1428571428571428, 4, 2.6666666666666665, 4, 0.7272727272727273, 4, 0.6153846153846154, 4, 2.6666666666666665, 4, 0.47058823529411764, 4, 0.42105263157894735, 4, 2.6666666666666665, 4, 0.34782608695652173, 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 xu30nnmatj2wg

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 5jwdimrsa3ukf

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 0qxuviu04thtn

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 fqd5hi4lhy5on

9, 4.5, 3, 4.5, 1.8, 4.5, 1.2857142857142858, 4.5, 3, 4.5, 0.8181818181818182, 4.5, 0.6923076923076923, 4.5, 3, 4.5, 0.5294117647058824, 4.5, 0.47368421052631576, 4.5, 3, 4.5, 0.391304347826087, 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 4yok4xypgxiod

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 mlqf2m3bhbv3f

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 gouk5tlnbqlcl

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 doibf1ximnomj

10, 5, 3.3333333333333335, 5, 2, 5, 1.4285714285714286, 5, 3.3333333333333335, 5, 0.9090909090909091, 5, 0.7692307692307693, 5, 3.3333333333333335, 5, 0.5882352941176471, 5, 0.5263157894736842, 5, 3.3333333333333335, 5, 0.43478260869565216, 5, 2, more...

decimal, non-monotonic, +

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

Sequence ycb5f0tahaxhb

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 uuktnxjj4mvpd

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 0vphz5w4pr5pp

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 fthebtnxdn0qd

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 ompsclaxadmqe

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 8, 0, 0, 0, 8, 0, 0, 0, more...

integer, non-monotonic, +

a(n)=and(8, lpf(n))
lpf(n)=least prime factor of n
and(a,b)=bitwise and
n≥1
4 operations
Prime

Sequence fwmvmwoaboyli

0, 0, 0, 0, 4, 0, 4, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 4, 0, 0, 0, 4, 0, 4, 0, 0, 0, 4, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 4, 0, more...

integer, non-monotonic, +

a(n)=and(4, lpf(n))
lpf(n)=least prime factor of n
and(a,b)=bitwise and
n≥1
4 operations
Prime

Sequence rr1h1wrctjqxo

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 c5jmg0vbc23wi

0, 2, 2, 2, 0, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 0, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 0, 2, 2, 2, 2, 2, 0, 2, 0, 2, 2, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, more...

integer, non-monotonic, +

a(n)=and(2, lpf(n))
lpf(n)=least prime factor of n
and(a,b)=bitwise and
n≥1
4 operations
Prime

Sequence ftjnrmpdn40pf

0, 2, 2, 2, 0, 2, 2, 2, 2, 2, 10, 2, 8, 2, 2, 2, 0, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 8, 2, 10, 2, 2, 2, 0, 2, 0, 2, 2, 2, 8, 2, 10, 2, 2, 2, 10, 2, 2, 2, more...

integer, non-monotonic, +

a(n)=and(10, lpf(n))
lpf(n)=least prime factor of n
and(a,b)=bitwise and
n≥1
4 operations
Prime

Sequence xn5brxtjk13vj

0, 2, 2, 2, 4, 2, 6, 2, 2, 2, 2, 2, 4, 2, 2, 2, 0, 2, 2, 2, 2, 2, 6, 2, 4, 2, 2, 2, 4, 2, 6, 2, 2, 2, 4, 2, 4, 2, 2, 2, 0, 2, 2, 2, 2, 2, 6, 2, 6, 2, more...

integer, non-monotonic, +

a(n)=and(6, lpf(n))
lpf(n)=least prime factor of n
and(a,b)=bitwise and
n≥1
4 operations
Prime

Sequence znkbroyniehcc

0, 3, 2, 3, 4, 3, 6, 3, 2, 3, 10, 3, 12, 3, 2, 3, 16, 3, 18, 3, 2, 3, 22, 3, 4, 3, 2, 3, 28, 3, 30, 3, 2, 3, 4, 3, 36, 3, 2, 3, 40, 3, 42, 3, 2, 3, 46, 3, 6, 3, more...

integer, non-monotonic, +

a(n)=xor(1, lpf(n))
lpf(n)=least prime factor of n
xor(a,b)=bitwise exclusive or
n≥1
4 operations
Prime

Sequence llcb3pt2oxtbm

1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 9, 0, 9, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 9, 0, 9, 0, 1, 0, 1, 0, 1, 0, 1, 0, 9, 0, 9, 0, 1, 0, 9, 0, 1, 0, more...

integer, non-monotonic, +

a(n)=and(9, lpf(n))
lpf(n)=least prime factor of n
and(a,b)=bitwise and
n≥1
4 operations
Prime

Sequence duu0uieqai0ll

1, 0, 1, 0, 5, 0, 5, 0, 1, 0, 1, 0, 5, 0, 1, 0, 1, 0, 1, 0, 1, 0, 5, 0, 5, 0, 1, 0, 5, 0, 5, 0, 1, 0, 5, 0, 5, 0, 1, 0, 1, 0, 1, 0, 1, 0, 5, 0, 5, 0, more...

integer, non-monotonic, +

a(n)=and(5, lpf(n))
lpf(n)=least prime factor of n
and(a,b)=bitwise and
n≥1
4 operations
Prime

Sequence 00zneo4b540xn

1, 1, 1, 0.5, 1, 0.3333333333333333, 1, 0.25, 0.3333333333333333, 0.2, 1, 0.16666666666666666, 1, 0.14285714285714285, 0.2, 0.125, 1, 0.1111111111111111, 1, 0.1, 0.14285714285714285, 0.09090909090909091, 1, 0.08333333333333333, 0.2, more...

decimal, non-monotonic, +

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

Sequence hv0fiwad1mvuk

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 1lihn3ksvuiim

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

integer, non-monotonic, +

a(n)=lpf(or(1, n))
or(a,b)=bitwise or
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence v3h42lm0e2ati

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

integer, non-monotonic, +

a(n)=and(3, lpf(n))
lpf(n)=least prime factor of n
and(a,b)=bitwise and
n≥1
4 operations
Prime
a(n)=lpf(n)%4
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence vv4kwe3b0d1wl

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

integer, non-monotonic, +

a(n)=and(7, lpf(n))
lpf(n)=least prime factor of n
and(a,b)=bitwise and
n≥1
4 operations
Prime
a(n)=lpf(n)%8
lpf(n)=least prime factor of n
n≥1
4 operations
Prime

Sequence 0neuiyleuqrk

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

integer, non-monotonic, +

a(n)=or(1, lpf(n))
lpf(n)=least prime factor of n
or(a,b)=bitwise or
n≥1
4 operations
Prime

Sequence 2knf30weokj3l

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 wgimitj2yoxtf

2, 1, 0, 1, 6, 1, 4, 1, 0, 1, 8, 1, 14, 1, 0, 1, 18, 1, 16, 1, 0, 1, 20, 1, 6, 1, 0, 1, 30, 1, 28, 1, 0, 1, 6, 1, 38, 1, 0, 1, 42, 1, 40, 1, 0, 1, 44, 1, 4, 1, more...

integer, non-monotonic, +

a(n)=xor(3, lpf(n))
lpf(n)=least prime factor of n
xor(a,b)=bitwise exclusive or
n≥1
4 operations
Prime

Sequence dqh44afrhhqrf

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

integer, non-monotonic, +

a(n)=lpf(or(2, n))
or(a,b)=bitwise or
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence sue5nbljrrygh

2, 3, 2, 11, 2, 13, 2, 3, 2, 3, 2, 11, 2, 13, 2, 3, 2, 5, 2, 3, 2, 29, 2, 31, 2, 5, 2, 3, 2, 29, 2, 31, 2, 41, 2, 43, 2, 3, 2, 47, 2, 41, 2, 43, 2, 3, 2, 47, 2, 3, more...

integer, non-monotonic, +

a(n)=lpf(or(8, n))
or(a,b)=bitwise or
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence yorirqc0qhq4f

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 stq4fi5s40cob

2, 5, 2, 7, 2, 5, 2, 7, 2, 13, 2, 3, 2, 13, 2, 3, 2, 3, 2, 23, 2, 3, 2, 23, 2, 29, 2, 31, 2, 29, 2, 31, 2, 37, 2, 3, 2, 37, 2, 3, 2, 3, 2, 47, 2, 3, 2, 47, 2, 53, more...

integer, non-monotonic, +

a(n)=lpf(or(4, n))
or(a,b)=bitwise or
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence 1lmfvqfmrzbdm

2, 7, 2, 7, 2, 7, 2, 7, 2, 3, 2, 3, 2, 3, 2, 3, 2, 23, 2, 23, 2, 23, 2, 23, 2, 31, 2, 31, 2, 31, 2, 31, 2, 3, 2, 3, 2, 3, 2, 3, 2, 47, 2, 47, 2, 47, 2, 47, 2, 5, more...

integer, non-monotonic, +

a(n)=lpf(or(6, n))
or(a,b)=bitwise or
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence ntegwvjrddkfo

2, 11, 2, 11, 2, 3, 2, 3, 2, 11, 2, 11, 2, 3, 2, 3, 2, 3, 2, 3, 2, 31, 2, 31, 2, 3, 2, 3, 2, 31, 2, 31, 2, 43, 2, 43, 2, 47, 2, 47, 2, 43, 2, 43, 2, 47, 2, 47, 2, 59, more...

integer, non-monotonic, +

a(n)=lpf(or(10, n))
or(a,b)=bitwise or
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence 5qiwqt45vaelc

3, 0, 1, 0, 7, 0, 5, 0, 1, 0, 9, 0, 15, 0, 1, 0, 19, 0, 17, 0, 1, 0, 21, 0, 7, 0, 1, 0, 31, 0, 29, 0, 1, 0, 7, 0, 39, 0, 1, 0, 43, 0, 41, 0, 1, 0, 45, 0, 5, 0, more...

integer, non-monotonic, +

a(n)=xor(2, lpf(n))
lpf(n)=least prime factor of n
xor(a,b)=bitwise exclusive or
n≥1
4 operations
Prime

Sequence d2jypss54d0sl

3, 2, 3, 2, 7, 2, 7, 2, 3, 2, 11, 2, 15, 2, 3, 2, 19, 2, 19, 2, 3, 2, 23, 2, 7, 2, 3, 2, 31, 2, 31, 2, 3, 2, 7, 2, 39, 2, 3, 2, 43, 2, 43, 2, 3, 2, 47, 2, 7, 2, more...

integer, non-monotonic, +

a(n)=or(2, lpf(n))
lpf(n)=least prime factor of n
or(a,b)=bitwise or
n≥1
4 operations
Prime

Sequence co4zp5fogqvxg

3, 3, 3, 3, 7, 3, 7, 3, 3, 3, 11, 3, 15, 3, 3, 3, 19, 3, 19, 3, 3, 3, 23, 3, 7, 3, 3, 3, 31, 3, 31, 3, 3, 3, 7, 3, 39, 3, 3, 3, 43, 3, 43, 3, 3, 3, 47, 3, 7, 3, more...

integer, non-monotonic, +

a(n)=or(3, lpf(n))
lpf(n)=least prime factor of n
or(a,b)=bitwise or
n≥1
4 operations
Prime

Sequence uuejpdkczltsh

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

integer, non-monotonic, +

a(n)=lpf(or(3, n))
or(a,b)=bitwise or
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence yb4s0fusqsn3i

3, 3, 11, 11, 13, 13, 3, 3, 3, 3, 11, 11, 13, 13, 3, 3, 5, 5, 3, 3, 29, 29, 31, 31, 5, 5, 3, 3, 29, 29, 31, 31, 41, 41, 43, 43, 3, 3, 47, 47, 41, 41, 43, 43, 3, 3, 47, 47, 3, 3, more...

integer, non-monotonic, +

a(n)=lpf(or(9, n))
or(a,b)=bitwise or
lpf(n)=least prime factor of n
n≥0
4 operations
Prime

Sequence xiucvfhmh1xvi

4, 7, 6, 7, 0, 7, 2, 7, 6, 7, 14, 7, 8, 7, 6, 7, 20, 7, 22, 7, 6, 7, 18, 7, 0, 7, 6, 7, 24, 7, 26, 7, 6, 7, 0, 7, 32, 7, 6, 7, 44, 7, 46, 7, 6, 7, 42, 7, 2, 7, more...

integer, non-monotonic, +

a(n)=xor(5, lpf(n))
lpf(n)=least prime factor of n
xor(a,b)=bitwise exclusive or
n≥1
4 operations
Prime

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