-2759

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 161", based on the 5-celled von Neumann neighborhood.at n=39A270453
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 345", based on the 5-celled von Neumann neighborhood.at n=27A271296
• a(n) = [x^n] Product_{k=1..n} 1/(1 + (n - k + 1)*x^k).at n=5A303190
• Coefficients in expansion of 1/(1 + x - 2*x^5).at n=29A317509