13970079domain: NAppears in sequencesG.f. A(x) satisfies: A(x) = 1/(1 - x*A(x)/(1 - x*A(x)/(1 - x*A(x)^2/(1 - x*A(x)^2/(1 - x*A(x)^3/(1 - x*A(x)^3/(1 - ...))))))), a continued fraction.at n=11A301418