a(n) = n! * [x^n] 1/(1 - f^n(x)), where f(x) = exp(x) - 1.

A363010

a(n) = n! * [x^n] 1/(1 - f^n(x)), where f(x) = exp(x) - 1.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =36a(4) =594a(5) =15775a(6) =618838a(7) =33757864a(8) =2448904188a(9) =228290728635

External references