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

A377810

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

Terms

    a(0) =1a(1) =3a(2) =17a(3) =154a(4) =1993a(5) =34066a(6) =728209a(7) =18733926a(8) =564117425a(9) =19473863986a(10) =758421401401

External references