E.g.f. satisfies A(x) = 1/(1 - x * exp(x) * A(x)^2)^2.

A377527

E.g.f. satisfies A(x) = 1/(1 - x * exp(x) * A(x)^2)^2.

Terms

    a(0) =1a(1) =2a(2) =26a(3) =618a(4) =22256a(5) =1081770a(6) =66401532a(7) =4931389358a(8) =430108545680

External references