-5651

Appears in sequences

• Expansion of Product_{k>=1} (1 - k*x^k)/(1 + 2*x^k).at n=13A269155
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 361", based on the 5-celled von Neumann neighborhood.at n=43A271417