32973

Appears in sequences

• Number of unlabeled rooted trees with n nodes (or connected functions with a fixed point).at n=14A000081
• Inverse WEIGH transform of A038000.at n=26A038001
• Bisection of A000081 (even part).at n=7A100034
• Number of trivially-perfect graphs on n nodes.at n=12A123467
• 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=42A174135
• Number of (2+1) X (n+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)+x(i-1,j) in the j direction.at n=33A250757
• Number of matching pairs of patterns, the first of length n and the second of length k.at n=24A335518