E.g.f. satisfies A(x) = (1 + x * exp(x) * A(x))^3.

A377575

E.g.f. satisfies A(x) = (1 + x * exp(x) * A(x))^3.

Terms

    a(0) =1a(1) =3a(2) =30a(3) =483a(4) =11100a(5) =334035a(6) =12478698a(7) =558058179a(8) =29104042152

External references