1166886

Appears in sequences

• Number of labeled 4-trees with n nodes.at n=8A036506
• For the numbers k that can be expressed as k = w + x = y*z with w*x = y^3 + z^3 where w, x, y, and z are all positive integers, this sequence gives the corresponding values of w*x.at n=16A057443
• Triangle read by rows: T(n,r) = number of maximum r-uniform acyclic hypergraphs of order n and size n-r+1, 1 <= r <= n+1.at n=49A135021
• 5th iteration of the hyperbinomial transform on the sequence of 1's.at n=6A218497