113620

Appears in sequences

• Number of binary rooted trees of height n requiring 3 registers.at n=6A006223
• a(n) = self-convolution of row n of Catalan triangle (A008315).at n=12A027301
• Triangle read by rows: T(n,k) is the number of full binary trees with n internal vertices and Strahler number k.at n=30A127151
• Number of n X 6 binary arrays without the pattern 0 1 diagonally or vertically.at n=12A188840
• Numbers k such that sigma(k) = psi(k) + phi(k) + tau(k)^2.at n=18A390421