291840

Appears in sequences

• Number of plane binary trees of size n+3 and height n.at n=11A073774
• Number of initial spin configurations in two-colored rooted trees with n nodes.at n=8A198760
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 310", based on the 5-celled von Neumann neighborhood.at n=19A287604
• a(n) = 288*n^2 - 96*n (n>=1).at n=31A305073