37681

Appears in sequences

• Number of tree-rooted planar maps with 3 vertices and n faces and no isthmuses.at n=5A006432
• Number of 4 X 4 pandiagonal magic squares with line sum 2*n.at n=6A093196
• a(n) = n! mod Fibonacci(n).at n=25A182213
• Triangle read by rows: T(n,k) is the number of tree-rooted planar maps with n edges, k faces and no isthmuses, n >= 0, k = 1..n+1.at n=33A342987
• G.f. A(x) satisfies A(x) = (1 + x*A(x)) * C(x*A(x)^2), where C(x) is the g.f. of A000108.at n=6A381778