-2203

Appears in sequences

• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 1", based on the 5-celled von Neumann neighborhood.at n=23A269909
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 413", based on the 5-celled von Neumann neighborhood.at n=23A272010
• Expansion of Product_{k>=1} ((1 - x^(2*k))/(1 - x^(2*k-1)))^k.at n=60A296046