-3011

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 221", based on the 5-celled von Neumann neighborhood.at n=27A270937
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 275", based on the 5-celled von Neumann neighborhood.at n=27A271094
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 449", based on the 5-celled von Neumann neighborhood.at n=35A272255
• a(n) = Sum_{d|n} (-1)^(d-1) * binomial(d+n/d-1, d).at n=55A338682
• Expansion of Sum_{k>=0} k^4 * x^k/(1 + k * x).at n=9A349855