168968192

Appears in sequences

• Number of labeled rooted trees of subsets of an n-set.at n=7A005172
• Number of non-degenerate fanout-free Boolean functions of n variables having AND rank 1.at n=7A225170
• Triangle read by rows: T(n,k), 1 <= k <= n, is the number of non-degenerate fanout-free Boolean functions of n variables having AND rank k.at n=28A225171