E.g.f.: Sum_{n>=0} (n^2)^n * cosh(n^2*x) * x^n/n!.
A218297
E.g.f.: Sum_{n>=0} (n^2)^n * cosh(n^2*x) * x^n/n!.
Terms
- a(0) =1a(1) =1a(2) =16a(3) =732a(4) =67072a(5) =10356120a(6) =2428502016a(7) =806564304896
External references
- oeis: A218297
A218297
E.g.f.: Sum_{n>=0} (n^2)^n * cosh(n^2*x) * x^n/n!.