O.g.f.: Sum_{n>=0} (n^7)^n * exp(-n^7*x) * x^n / n!.

A222527

O.g.f.: Sum_{n>=0} (n^7)^n * exp(-n^7*x) * x^n / n!.

Terms

    a(0) =1a(1) =1a(2) =8191a(3) =1742343625

External references