-2107

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 393", based on the 5-celled von Neumann neighborhood.at n=31A271605
• Inverse binomial transform of the continued fraction expansion of e.at n=13A306810
• Expansion of 1/(2 - Product_{k>=1} 1/(1 + x^k)).at n=15A307060
• G.f. A(x) satisfies: A(x) = 1 / (1 - x + x^4 * A(x)).at n=18A349048