G.f. A(x) satisfies: A(x) = Sum_{n>=0} (4*n)!/(n!)^4 * x^n / A(x)^n.

A262010

G.f. A(x) satisfies: A(x) = Sum_{n>=0} (4*n)!/(n!)^4 * x^n / A(x)^n.

Terms

    a(0) =1a(1) =24a(2) =1944a(3) =215808a(4) =27736920a(5) =3879912960a(6) =573515224128

External references