47643

Appears in sequences

• a(n) = 121*n^2 - 38*n + 3.at n=19A157443
• a(n) = (2*n^3 + 3*n^2 + n + 3)/3.at n=41A188475
• Number of n X 3 0..2 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.at n=7A224257
• G.f. A(x) satisfies A(x) = 1 / ((1 - x) * (1 - x * A(x)^6)).at n=5A349292
• a(n) is the number of distinct scalar products which can be formed by pairs of signed permutations (V, W) of [n].at n=41A358655