-4088domain: ZAppears in sequencesG.f. satisfies: A(x) = 1/(1 + x*A(x^5)) and also the continued fraction: 1+x*A(x^6) = [1;1/x,1/x^5,1/x^25,1/x^125,...,1/x^(5^(n-1)),...].at n=33A101915G.f. satisfies A(x) = 1 + x * A(x * (1 - x^3)).at n=17A360897