G.f.: Sum_{n>=0} x^n / (1-x)^(n^4).

A227934

G.f.: Sum_{n>=0} x^n / (1-x)^(n^4).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =18a(4) =219a(5) =4395a(6) =129280a(7) =4970984a(8) =257765641a(9) =16781325293

External references