-1537

Appears in sequences

• G.f. satisfies: A(x) = 1/Product_{n>=1} (1 - x^n/A(x^n)^n).at n=46A205777
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 237", based on the 5-celled von Neumann neighborhood.at n=21A270983
• Expansion of 1 / (1 + Sum_{i>=1, j>=1} x^(i*prime(j))).at n=58A327800