O.g.f.: Sum_{n>=0} (n^4)^n * exp(-n^4*x) * x^n / n!.

A217914

O.g.f.: Sum_{n>=0} (n^4)^n * exp(-n^4*x) * x^n / n!.

Terms

    a(0) =1a(1) =1a(2) =127a(3) =86526a(4) =171798901a(5) =749206090500

External references