-1615

Appears in sequences

• Numerators in expansion of (1-x)^(5/2).at n=13A161202
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 437", based on the 5-celled von Neumann neighborhood.at n=21A272156
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 485", based on the 5-celled von Neumann neighborhood.at n=23A272505
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 493", based on the 5-celled von Neumann neighborhood.at n=23A272546
• G.f. A(x) satisfies A(x)^2 = A(2*x - 2*A(x)) / 2.at n=7A389540