271404

Appears in sequences

• Number of stacks, or planar partitions of n; also weakly unimodal compositions of n.at n=30A001523
• Bisection of A001523.at n=15A100505
• Triangle read by rows: T(n,k) is the number of labeled point-determining graphs with n nodes and k edges, n >= 0, 0 <= k <= n*(n - 1)/2.at n=52A369283