Expansion of exp( Sum_{n >= 1} A002438(n)*x^n/n ).

A255884

Expansion of exp( Sum_{n >= 1} A002438(n)*x^n/n ).

Terms

    a(0) =1a(1) =5a(2) =115a(3) =7955a(4) =1179715a(5) =304888655a(6) =121350927565

External references