-4826domain: ZAppears in sequencesExpansion of 1/sqrt(1 - 4*x + 16*x^2).at n=8A012000Expansion of (1 - x + 2*x^2) / (1 - x^3 + x^4).at n=55A110062Expansion of 1/sqrt(1+4*x+16*x^2).at n=8A116091Coefficient of x in the minimal polynomial of the continued fraction [1^n,sqrt(2),1,1,...], where 1^n means n ones.at n=5A266711