146445

Appears in sequences

• 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, -1, -1), (-1, -1, 0), (-1, -1, 1), (-1, 1, -1), (1, 0, 1)}.at n=13A148060
• Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic nonresidues mod p.at n=33A282043
• Array read by antidiagonals: T(n,k) is the number of nonisomorphic k-tuples of involutions on a (2n)-set that pairwise commute.at n=49A362903