E.g.f. A(x) satisfies 1 - A'(x)^2 + 4*A(x)^3 = 0.

A381359

E.g.f. A(x) satisfies 1 - A'(x)^2 + 4*A(x)^3 = 0.

Terms

    a(0) =1a(1) =12a(2) =720a(3) =129600a(4) =51321600a(5) =37977984000

External references