E.g.f.: Sum_{n>=0} (x^n + y^n)^n / n! - Sum_{n>=0} y^(n^2) / n! at y=2.
A265269
E.g.f.: Sum_{n>=0} (x^n + y^n)^n / n! - Sum_{n>=0} y^(n^2) / n! at y=2.
Terms
- a(0) =1a(1) =8a(2) =192a(3) =16396a(4) =5242880a(5) =6442453824
External references
- oeis: A265269