72917

Appears in sequences

• Number of rooted trees where each node has at most 4 children.at n=15A036718
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 366", based on the 5-celled von Neumann neighborhood.at n=8A268202
• Numbers n with the property that n^2 contains a sequence of four or more consecutive 8's.at n=34A301938