23695

Appears in sequences

• Coefficient of the irreducible character of S_m indexed by (m-2n+2,2n-2) in the n-th Kronecker power of the representation indexed by (m-2,2).at n=21A090809
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (-1, 1, 1), (0, -1, 0), (0, 1, -1), (1, 1, 1)}.at n=8A149765
• Number of compositions (ordered partitions) of n into parts with an odd number of prime divisors (counted with multiplicity).at n=28A286226
• Numbers k such that gcd(2*k^7+1, 3*k^3+2) > 1.at n=20A369153
• Number A(n,k) of k-tuples (p_1, p_2, ..., p_k) of Dyck paths of semilength n, such that each p_i is never below p_{i-1} and the upper path p_k only touches the x-axis at its endpoints; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=50A378112