722893domain: NAppears in sequencesE.g.f. satisfies: A(x) = Sum_{n>=0} AGM(1, A(x)^(4n))*x^n/n!, where AGM(x,y) is the arithmetic-geometric mean of Gauss.at n=6A172493E.g.f. satisfies: A(x) = exp(x*A(x)) - exp(x*A(x)^2) + exp(x*A(x)^3).at n=6A195513