296805

Appears in sequences

• Pell numbers A000129(n+1) (without P(0)) convoluted twice with itself.at n=10A054457
• Number of branching factorizations of the primorial inflation of n.at n=43A366377
• Triangle read by rows: T(n,k) is the number of 3-dimensional balanced ballot paths of 3n steps such that the height is exactly k, 2 <= k <= 2*n.at n=42A387912