Sequences
392,541 sequences
- Inverse of 952nd cyclotomic polynomial.A014961
Inverse of 952nd cyclotomic polynomial.
- Odd numbers k that divide 25^k - 1.A014962
Odd numbers k that divide 25^k - 1.
- Exponential of Mangoldt function M(n): a(n) = 1 unless n is a prime or prime power, in which case a(n) = that prime.A014963
Exponential of Mangoldt function M(n): a(n) = 1 unless n is a prime or prime power, in which case a(n) = that prime.
- a(n) = lcm(n, 2^(n-1)).A014964
a(n) = lcm(n, 2^(n-1)).
- a(n) = lcm(n, Fibonacci(n)).A014965
a(n) = lcm(n, Fibonacci(n)).
- Inverse of 957th cyclotomic polynomial.A014966
Inverse of 957th cyclotomic polynomial.
- Continued fraction for Conway's constant.A014967
Continued fraction for Conway's constant.
- Expansion of (1/theta_4 - 1)/2.A014968
Expansion of (1/theta_4 - 1)/2.
- Expansion of (theta_3(q) / theta_4(q))^2 in powers of q.A014969
Expansion of (theta_3(q) / theta_4(q))^2 in powers of q.
- Expansion of (theta_3 / theta_4)^3.A014970
Expansion of (theta_3 / theta_4)^3.
- Inverse of 962nd cyclotomic polynomial.A014971
Inverse of 962nd cyclotomic polynomial.
- Expansion of (theta_3(q) / theta_4(q) )^4 in powers of q; also of 1 / (1 - lambda(z)).A014972
Expansion of (theta_3(q) / theta_4(q) )^4 in powers of q; also of 1 / (1 - lambda(z)).
- a(n) = n / gcd(n, (n-1)!).A014973
a(n) = n / gcd(n, (n-1)!).
- Differences between successive locations of zeros in decimal expansion of Pi.A014974
Differences between successive locations of zeros in decimal expansion of Pi.
- Inverse of 966th cyclotomic polynomial.A014975
Inverse of 966th cyclotomic polynomial.
- Successive locations of zeros in decimal expansion of Pi (where locations 1, 2, 3, ... correspond to digits 3, 1, 4, ...).A014976
Successive locations of zeros in decimal expansion of Pi (where locations 1, 2, 3, ... correspond to digits 3, 1, 4, ...).
- Expansion of Molien series for automorphism group (2.Weyl(E6)) of E6 lattice.A014977
Expansion of Molien series for automorphism group (2.Weyl(E6)) of E6 lattice.
- Inverse of 969th cyclotomic polynomial.A014978
Inverse of 969th cyclotomic polynomial.
- Numbers that are both triangular and pentagonal.A014979
Numbers that are both triangular and pentagonal.
- a(n+1) = floor(a(n)/2) * ceiling(a(n)/2), a(0) = 5.A014980
a(n+1) = floor(a(n)/2) * ceiling(a(n)/2), a(0) = 5.
- a(n) = c(prime(n))/prime(n), where c = Perrin sequence A001608 (starting 0,2,3,...) and prime(n) is the n-th prime.A014981
a(n) = c(prime(n))/prime(n), where c = Perrin sequence A001608 (starting 0,2,3,...) and prime(n) is the n-th prime.
- Number of "coherent" reduced decompositions for the longest permutation n n-1 n-2 ... 3 2 1 in the symmetric group on n letters.A014982
Number of "coherent" reduced decompositions for the longest permutation n n-1 n-2 ... 3 2 1 in the symmetric group on n letters.
- a(n) = (1 - (-3)^n)/4.A014983
a(n) = (1 - (-3)^n)/4.
- Inverse of 975th cyclotomic polynomial.A014984
Inverse of 975th cyclotomic polynomial.
- a(n) = (1 - (-4)^n)/5.A014985
a(n) = (1 - (-4)^n)/5.
- a(n) = (1 - (-5)^n)/6.A014986
a(n) = (1 - (-5)^n)/6.
- a(n) = (1 - (-6)^n)/7.A014987
a(n) = (1 - (-6)^n)/7.
- Inverse of 979th cyclotomic polynomial.A014988
Inverse of 979th cyclotomic polynomial.
- a(n) = (1 - (-7)^n)/8.A014989
a(n) = (1 - (-7)^n)/8.
- a(n) = (1 - (-8)^n)/9.A014990
a(n) = (1 - (-8)^n)/9.
- a(n) = (1 - (-9)^n)/10.A014991
a(n) = (1 - (-9)^n)/10.
- a(n) = (1 - (-10)^n)/11.A014992
a(n) = (1 - (-10)^n)/11.
- a(n) = (1 - (-11)^n)/12.A014993
a(n) = (1 - (-11)^n)/12.
- a(n) = (1 - (-12)^n)/13.A014994
a(n) = (1 - (-12)^n)/13.
- Inverse of 986th cyclotomic polynomial.A014995
Inverse of 986th cyclotomic polynomial.
- Inverse of 987th cyclotomic polynomial.A014996
Inverse of 987th cyclotomic polynomial.
- Inverse of 988th cyclotomic polynomial.A014997
Inverse of 988th cyclotomic polynomial.
- Inverse of 989th cyclotomic polynomial.A014998
Inverse of 989th cyclotomic polynomial.
- Inverse of 990th cyclotomic polynomial.A014999
Inverse of 990th cyclotomic polynomial.
- q-integers for q=-13.A015000
q-integers for q=-13.
- q-factorial numbers for q=3.A015001
q-factorial numbers for q=3.
- q-factorial numbers for q=4.A015002
q-factorial numbers for q=4.
- Inverse of 994th cyclotomic polynomial.A015003
Inverse of 994th cyclotomic polynomial.
- q-factorial numbers for q=5.A015004
q-factorial numbers for q=5.
- q-factorial numbers for q=6.A015005
q-factorial numbers for q=6.
- q-factorial numbers for q=7.A015006
q-factorial numbers for q=7.
- q-factorial numbers for q=8.A015007
q-factorial numbers for q=8.
- q-factorial numbers for q=9.A015008
q-factorial numbers for q=9.
- q-factorial numbers for q=10.A015009
q-factorial numbers for q=10.
- Inverse of 1001st cyclotomic polynomial.A015010
Inverse of 1001st cyclotomic polynomial.