387952domain: NAppears in sequencesExpansion of (1-x)/(1-2*x-2*x^3+2*x^4).at n=17A052971G.f. satisfies: A(x) = theta_3(x*A(x)) where Jacobi theta_3(x) = 1 + 2*Sum_{n>=1} x^(n^2).at n=12A166952