106452

Appears in sequences

• Number of labeled rooted trees with n nodes and 2-colored internal (non-leaf) nodes.at n=5A052316
• Number of semiprimes s such that 2^n < s <= 2^(n+1).at n=19A120033
• Number of length 1+4 0..n arrays with no pair in any consecutive five terms totalling exactly n.at n=10A246738
• Array read by ascending antidiagonals where T(n,k) is the number of paths of length k from the origin to a facet of the cross polytope of size k in Z^n.at n=49A371064