693528domain: NAppears in sequencesG.f. A(x,y) satisfies 1/x = Sum_{n=-oo..+oo} A(x,y)^n * (A(x,y)^n + y)^(n+1), as a triangle of coefficients T(n,k) of x^n*y^k in A(x,y), read by rows.at n=60A379200Central terms of triangle A379200; a(n) = A379200(2*n-1,n-1) for n >= 1.at n=5A379206