E.g.f. Sum_{n>=0} Series_Reversion( x*exp(-n*x) )^n.

A299426

E.g.f. Sum_{n>=0} Series_Reversion( x*exp(-n*x) )^n.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =39a(4) =688a(5) =18765a(6) =722016a(7) =37003267a(8) =2426725120a(9) =197569640889

External references