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

A213357

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

Terms

    a(0) =1a(1) =1a(2) =3a(3) =16a(4) =133a(5) =1561a(6) =24374a(7) =485640a(8) =11969843a(9) =356348290a(10) =12572687675a(11) =517644938724

External references