108313domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(518).at n=7A041990G.f. A(x) satisfies: Sum_{n>=0} A(x)^((n-1)^2) * x^n = Sum_{n>=0} (A(x)^(n-2) + 1)^n * x^n.at n=9A326563