-3052

Appears in sequences

• Expansion of e.g.f. exp(log(1+x) + log(1+x)^2).at n=7A189423
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 251", based on the 5-celled von Neumann neighborhood.at n=35A271019