634847

Appears in sequences

• Number of unlabeled rooted trees with n nodes (or connected functions with a fixed point).at n=17A000081
• Inverse WEIGH transform of A038000.at n=32A038001
• Bisection of A000081 (odd part).at n=8A100427
• Number of trivially-perfect graphs on n nodes.at n=15A123467
• Irregular triangle read by rows: T(n,k), n >= 2, 1 <= k <= n/2, = number of rooted forests with n nodes and k trees, with at least two nodes in each tree.at n=64A174135