Sequence Database

A database with 734481 machine generated integer and decimal sequences.

Displaying result 0-99 of total 43402. [0] [1] [2] [3] [4] ... [434]

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 vypduhigyyggb

-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, -1.1415926536, -0.1415926536, -1.1415926536, 25.8584073464, -1.1415926536, 27.8584073464, -1.1415926536, -0.1415926536, -1.1415926536, 1.8584073464, -1.1415926536, 33.8584073464, -1.1415926536, -0.1415926536, -1.1415926536, 37.8584073464, -1.1415926536, 39.8584073464, -1.1415926536, -0.1415926536, -1.1415926536, 43.8584073464, -1.1415926536, 3.8584073464, -1.1415926536, 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 4etddhhehks4n

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, 0.2, 0.3, 0.2, 2.9, 0.2, 3.1, 0.2, 0.3, 0.2, 0.5, 0.2, 3.7, 0.2, 0.3, 0.2, 4.1, 0.2, 4.3, 0.2, 0.3, 0.2, 4.7, 0.2, 0.7, 0.2, more...

decimal, non-monotonic, +

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

Sequence qgzbheqs2uggd

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, 0.2222222222, 0.3333333333, 0.2222222222, 3.2222222222, 0.2222222222, 3.4444444444, 0.2222222222, 0.3333333333, 0.2222222222, 0.5555555556, 0.2222222222, 4.1111111111, 0.2222222222, 0.3333333333, 0.2222222222, 4.5555555556, 0.2222222222, 4.7777777778, 0.2222222222, 0.3333333333, 0.2222222222, 5.2222222222, 0.2222222222, 0.7777777778, 0.2222222222, more...

decimal, non-monotonic, +

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

Sequence m003p2p20dg0

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, 0.25, 0.375, 0.25, 3.625, 0.25, 3.875, 0.25, 0.375, 0.25, 0.625, 0.25, 4.625, 0.25, 0.375, 0.25, 5.125, 0.25, 5.375, 0.25, 0.375, 0.25, 5.875, 0.25, 0.875, 0.25, more...

decimal, non-monotonic, +

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

Sequence 5sqq3d14wer2i

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, 0.2857142857, 0.4285714286, 0.2857142857, 4.1428571429, 0.2857142857, 4.4285714286, 0.2857142857, 0.4285714286, 0.2857142857, 0.7142857143, 0.2857142857, 5.2857142857, 0.2857142857, 0.4285714286, 0.2857142857, 5.8571428571, 0.2857142857, 6.1428571429, 0.2857142857, 0.4285714286, 0.2857142857, 6.7142857143, 0.2857142857, 1, 0.2857142857, more...

decimal, non-monotonic, +

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

Sequence b1lm5jl5ejwe

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, 0.3333333333, 0.5, 0.3333333333, 4.8333333333, 0.3333333333, 5.1666666667, 0.3333333333, 0.5, 0.3333333333, 0.8333333333, 0.3333333333, 6.1666666667, 0.3333333333, 0.5, 0.3333333333, 6.8333333333, 0.3333333333, 7.1666666667, 0.3333333333, 0.5, 0.3333333333, 7.8333333333, 0.3333333333, 1.1666666667, 0.3333333333, more...

decimal, non-monotonic, +

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

Sequence vuimwuskldtgp

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, 0.4, 0.6, 0.4, 5.8, 0.4, 6.2, 0.4, 0.6, 0.4, 1, 0.4, 7.4, 0.4, 0.6, 0.4, 8.2, 0.4, 8.6, 0.4, 0.6, 0.4, 9.4, 0.4, 1.4, 0.4, more...

decimal, non-monotonic, +

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

Sequence xwmuvqwcltgmn

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, 0.5, 0.75, 0.5, 7.25, 0.5, 7.75, 0.5, 0.75, 0.5, 1.25, 0.5, 9.25, 0.5, 0.75, 0.5, 10.25, 0.5, 10.75, 0.5, 0.75, 0.5, 11.75, 0.5, 1.75, 0.5, more...

decimal, non-monotonic, +

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

Sequence w2lhwuhwdxlil

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, 0.6366197724, 0.9549296586, 0.6366197724, 9.2309866993, 0.6366197724, 9.8676064717, 0.6366197724, 0.9549296586, 0.6366197724, 1.5915494309, 0.6366197724, 11.7774657888, 0.6366197724, 0.9549296586, 0.6366197724, 13.0507053335, 0.6366197724, 13.6873251059, 0.6366197724, 0.9549296586, 0.6366197724, 14.9605646506, 0.6366197724, 2.2281692033, 0.6366197724, 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 u4tdotrkyn5ri

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, 0.6666666667, 1, 0.6666666667, 9.6666666667, 0.6666666667, 10.3333333333, 0.6666666667, 1, 0.6666666667, 1.6666666667, 0.6666666667, 12.3333333333, 0.6666666667, 1, 0.6666666667, 13.6666666667, 0.6666666667, 14.3333333333, 0.6666666667, 1, 0.6666666667, 15.6666666667, 0.6666666667, 2.3333333333, 0.6666666667, more...

decimal, non-monotonic, +

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

Sequence ijsqzwyhp1pjd

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, 1, 1.5, 1, 14.5, 1, 15.5, 1, 1.5, 1, 2.5, 1, 18.5, 1, 1.5, 1, 20.5, 1, 21.5, 1, 1.5, 1, 23.5, 1, 3.5, 1, 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 qw1y30htkk5fi

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, 0.5, 0.3333333333, 0.5, 0.0344827586, 0.5, 0.0322580645, 0.5, 0.3333333333, 0.5, 0.2, 0.5, 0.027027027, 0.5, 0.3333333333, 0.5, 0.0243902439, 0.5, 0.023255814, 0.5, 0.3333333333, 0.5, 0.0212765957, 0.5, 0.1428571429, 0.5, 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 lzo5d3jtp5sif

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, 1, 0.6666666667, 1, 0.0689655172, 1, 0.064516129, 1, 0.6666666667, 1, 0.4, 1, 0.0540540541, 1, 0.6666666667, 1, 0.0487804878, 1, 0.0465116279, 1, 0.6666666667, 1, 0.0425531915, 1, 0.2857142857, 1, 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 ut0zh0ml5d2po

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, 1.1415926536, 0.1415926536, 1.1415926536, -25.8584073464, 1.1415926536, -27.8584073464, 1.1415926536, 0.1415926536, 1.1415926536, -1.8584073464, 1.1415926536, -33.8584073464, 1.1415926536, 0.1415926536, 1.1415926536, -37.8584073464, 1.1415926536, -39.8584073464, 1.1415926536, 0.1415926536, 1.1415926536, -43.8584073464, 1.1415926536, -3.8584073464, 1.1415926536, 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 5n2fv4mx4zjfd

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, 1.5, 1, 1.5, 0.1034482759, 1.5, 0.0967741935, 1.5, 1, 1.5, 0.6, 1.5, 0.0810810811, 1.5, 1, 1.5, 0.0731707317, 1.5, 0.0697674419, 1.5, 1, 1.5, 0.0638297872, 1.5, 0.4285714286, 1.5, 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 1k3uizf3eedyp

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, 1.5707963268, 1.0471975512, 1.5707963268, 0.1083307812, 1.5707963268, 0.1013416985, 1.5707963268, 1.0471975512, 1.5707963268, 0.6283185307, 1.5707963268, 0.0849079096, 1.5707963268, 1.0471975512, 1.5707963268, 0.0766242111, 1.5707963268, 0.0730602943, 1.5707963268, 1.0471975512, 1.5707963268, 0.0668423969, 1.5707963268, 0.4487989505, 1.5707963268, 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 wd3kn0r3tvtcb

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, 6.2831853072, 9.4247779608, 6.2831853072, 91.1061869541, 6.2831853072, 97.3893722613, 6.2831853072, 9.4247779608, 6.2831853072, 15.7079632679, 6.2831853072, 116.2389281828, 6.2831853072, 9.4247779608, 6.2831853072, 128.8052987972, 6.2831853072, 135.0884841044, 6.2831853072, 9.4247779608, 6.2831853072, 147.6548547187, 6.2831853072, 21.9911485751, 6.2831853072, 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 lybo2vhvqilxm

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, 2, 1.3333333333, 2, 0.1379310345, 2, 0.1290322581, 2, 1.3333333333, 2, 0.8, 2, 0.1081081081, 2, 1.3333333333, 2, 0.0975609756, 2, 0.0930232558, 2, 1.3333333333, 2, 0.085106383, 2, 0.5714285714, 2, 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 gp1bl5xlpcxqi

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, 5.1415926536, 6.1415926536, 5.1415926536, 32.1415926536, 5.1415926536, 34.1415926536, 5.1415926536, 6.1415926536, 5.1415926536, 8.1415926536, 5.1415926536, 40.1415926536, 5.1415926536, 6.1415926536, 5.1415926536, 44.1415926536, 5.1415926536, 46.1415926536, 5.1415926536, 6.1415926536, 5.1415926536, 50.1415926536, 5.1415926536, 10.1415926536, 5.1415926536, 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 peq4eojesfatm

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, 2.5, 1.6666666667, 2.5, 0.1724137931, 2.5, 0.1612903226, 2.5, 1.6666666667, 2.5, 1, 2.5, 0.1351351351, 2.5, 1.6666666667, 2.5, 0.1219512195, 2.5, 0.1162790698, 2.5, 1.6666666667, 2.5, 0.1063829787, 2.5, 0.7142857143, 2.5, 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 comr0rleb4eyj

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, 3, 2, 3, 0.2068965517, 3, 0.1935483871, 3, 2, 3, 1.2, 3, 0.1621621622, 3, 2, 3, 0.1463414634, 3, 0.1395348837, 3, 2, 3, 0.1276595745, 3, 0.8571428571, 3, 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 fovsn15go0cqc

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, 3.5, 2.3333333333, 3.5, 0.2413793103, 3.5, 0.2258064516, 3.5, 2.3333333333, 3.5, 1.4, 3.5, 0.1891891892, 3.5, 2.3333333333, 3.5, 0.1707317073, 3.5, 0.1627906977, 3.5, 2.3333333333, 3.5, 0.1489361702, 3.5, 1, 3.5, 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 yx5v3xrzvpgqp

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, 4, 2.6666666667, 4, 0.275862069, 4, 0.2580645161, 4, 2.6666666667, 4, 1.6, 4, 0.2162162162, 4, 2.6666666667, 4, 0.1951219512, 4, 0.1860465116, 4, 2.6666666667, 4, 0.170212766, 4, 1.1428571429, 4, 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 tuft2xfxkck4p

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, 4.5, 3, 4.5, 0.3103448276, 4.5, 0.2903225806, 4.5, 3, 4.5, 1.8, 4.5, 0.2432432432, 4.5, 3, 4.5, 0.2195121951, 4.5, 0.2093023256, 4.5, 3, 4.5, 0.1914893617, 4.5, 1.2857142857, 4.5, 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 wub01yvrsasne

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, 5, 3.3333333333, 5, 0.3448275862, 5, 0.3225806452, 5, 3.3333333333, 5, 2, 5, 0.2702702703, 5, 3.3333333333, 5, 0.243902439, 5, 0.2325581395, 5, 3.3333333333, 5, 0.2127659574, 5, 1.4285714286, 5, 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 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 zgspcsr2dn3pl

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, 0.0769230769, 0.1111111111, 0.0714285714, 1, 0.0666666667, 1, 0.0625, 0.0909090909, 0.0588235294, 0.1428571429, 0.0555555556, 1, 0.0526315789, 0.0769230769, 0.05, 1, 0.0476190476, 1, 0.0454545455, 0.0666666667, 0.0434782609, 1, 0.0416666667, 0.1428571429, 0.04, 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 chazdove02lve

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, 0.6931471806, 1.0986122887, 0.6931471806, 3.36729583, 0.6931471806, 3.4339872045, 0.6931471806, 1.0986122887, 0.6931471806, 1.6094379124, 0.6931471806, 3.6109179126, 0.6931471806, 1.0986122887, 0.6931471806, 3.7135720667, 0.6931471806, 3.7612001157, 0.6931471806, 1.0986122887, 0.6931471806, 3.8501476017, 0.6931471806, 1.9459101491, 0.6931471806, more...

decimal, non-monotonic, +

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

Sequence i3vylbnxcfedk

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, 1.4142135624, 1.7320508076, 1.4142135624, 5.3851648071, 1.4142135624, 5.5677643628, 1.4142135624, 1.7320508076, 1.4142135624, 2.2360679775, 1.4142135624, 6.0827625303, 1.4142135624, 1.7320508076, 1.4142135624, 6.4031242374, 1.4142135624, 6.5574385243, 1.4142135624, 1.7320508076, 1.4142135624, 6.8556546004, 1.4142135624, 2.6457513111, 1.4142135624, more...

decimal, non-monotonic, +

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

Sequence 1soqjj1hx52oi

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, 7.3890560989, 20.0855369232, 7.3890560989, 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

Sequence nxkhq2xb1srxc

1, 0, -2, -5, -7, -12, -14, -21, -23, -26, -28, -39, -41, -54, -56, -59, -61, -78, -80, -99, -101, -104, -106, -129, -131, -136, -138, -141, -143, -172, -174, -205, -207, -210, -212, -217, -219, -256, -258, -261, -263, -304, -306, -349, -351, -354, -356, -403, -405, -412, more...

integer, strictly-monotonic, +-

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

Sequence h1qprjkot3mth

1, 0, 2, 1, 1, 4, -2, 9, -7, 10, -8, 19, -17, 30, -28, 31, -29, 46, -44, 63, -61, 64, -62, 85, -83, 88, -86, 89, -87, 116, -114, 145, -143, 146, -144, 149, -147, 184, -182, 185, -183, 224, -222, 265, -263, 266, -264, 311, -309, 316, more...

integer, non-monotonic, +-

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

Sequence pake2tzd3j5mj

1, 1, 0.5, 0.1666666667, 0.0833333333, 0.0166666667, 0.0083333333, 0.0011904762, 0.0005952381, 0.0001984127, 0.0000992063, 0.0000090188, 0.0000045094, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, more...

decimal, monotonic, +

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

Sequence hf3z2ruzrqvmi

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

integer, non-monotonic, +

a(n)=gcd(lpf(n), 7)
lpf(n)=least prime factor of n
gcd(a,b)=greatest common divisor
n≥1
4 operations
Prime

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