89440

Appears in sequences

• Even square pyramidal numbers.at n=31A015222
• Total number of triangles in all the dissections of a convex (n+3)-gon by nonintersecting diagonals.at n=7A089382
• Number of possible squares on an n^2 X n^2 grid.at n=7A113754
• Triangle read by rows: T(n,k) is the number of binary trees with n edges and k jumps (n >= 0, 0 <= k <= max(0,ceiling(n/2)-1) ).at n=33A127530
• Indices of 1's in A096535.at n=10A132678
• Expansion of ((1-x)/(1-2x))^10.at n=7A169797
• Number of nonempty subsets of {1, 2, ..., n} with <=10 pairwise coprime elements.at n=34A187271
• a(n) = n*(2*n + 1)*(4*n + 1)/3.at n=32A258582