-3471domain: ZAppears in sequencesa(n) = 5^n - n^6.at n=4A024055Expansion of 1 - x/(1 - x^2/(1 - x^3/(1 - x^4/(1 - x^5/(1 - x^6/(1 - ... - x^n/(1 - ...))))))), a continued fraction.at n=30A291148