-6039domain: ZAppears in sequencesG.f. satisfies: A(x) = 1/(1 + x*A(x^6)) and also the continued fraction: 1+x*A(x^7) = [1;1/x,1/x^6,1/x^36,1/x^216,...,1/x^(6^(n-1)),...].at n=57A101916a(n) = 5*a(n-2) + 2*a(n-3).at n=14A135949