-2707

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 133", based on the 5-celled von Neumann neighborhood.at n=29A270235
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 371", based on the 5-celled von Neumann neighborhood.at n=31A271457
• E.g.f.: exp (e.g.f. for the "cusp form" A002408).at n=6A302201
• E.g.f.: 1 / (1 + x + Sum_{k>=2} prime(k-1) * x^k / k!).at n=8A346791