E.g.f.: exp(sum(bell(n)*z^n/n, n=1..infinity)).

A274539

E.g.f.: exp(sum(bell(n)*z^n/n, n=1..infinity)).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =17a(4) =155a(5) =2079a(6) =38629a(7) =951187a(8) =29979753a(9) =1175837345a(10) =56066617331

External references