-1355

Appears in sequences

• Expansion of psi(-q)/psi(-q^2) in powers of q where psi() is a Ramanujan theta function.at n=55A116498
• Let c(n) = x^(2^n-1)*(1-x^(2^n)), g(n) = 1 + x^(2^n-1) + x^(2^n), h(n) = Product_{i=1..n} g(i); then use g.f. Sum_{n>=1} c(n)/h(n).at n=55A151676
• Partial sums of A257259: a(0) = 1; for n >= 1, a(n) = A257259(n) + a(n-1).at n=17A257805
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 33", based on the 5-celled von Neumann neighborhood.at n=21A269813
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 193", based on the 5-celled von Neumann neighborhood.at n=27A270688
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 289", based on the 5-celled von Neumann neighborhood.at n=21A271128
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 389", based on the 5-celled von Neumann neighborhood.at n=21A271597
• Expansion of exp( Sum_{n>=1} -sigma(6*n)*x^n/n ) in powers of x.at n=36A283164