-1185

Appears in sequences

• a(n) is the coefficient of x^n in x/(1 + Sum_{k>=1} (1/2)*(prime(k+1) - 1)*x^k).at n=34A074142
• Expansion of (1-x)^(-1)/(1+x+x^2-x^3).at n=28A077908
• Expansion of f(-q)^10 / f(-q^5)^2 in power of q where f() is a Ramanujan theta function.at n=16A243939
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 145", based on the 5-celled von Neumann neighborhood.at n=17A270289
• Expansion of e.g.f. exp(-2*x) / (1 + x*exp(x)).at n=7A368273