39158
domain: N
Appears in sequences
- Sum of n-th row of triangle in A082196.at n=37A082199
- Seventh convolution of Schroeder's (second problem) numbers A001003(n), n >= 0.at n=6A111995
- <h[d+1,d-1],s[d,d]*s[d,d]*s[d,d]> where h[d+1,d-1] is a homogeneous symmetric function, s[d,d] is a Schur function indexed by two parts, * represents the Kronecker product and <, > is the standard scalar product on symmetric functions.at n=41A115376
- Smallest number k such that k*n +/- 1, k*n^2 +/- 1, and k*n^3 +/- 1 are three sets of twin primes. a(n) = 0 if no such number exists.at n=23A239021
- Number of self-intersecting walks of length n on a square lattice such that at each point the angle turns 90 degrees.at n=26A293865
- G.f.: Sum_{k>=1} x^k/(1-x^k) * Product_{k>=1} (1+x^k)/(1-x^k).at n=20A305102