E.g.f.: Sum_{n>=0} exp(n*2^n*x) * x^n/n!.
A244820
E.g.f.: Sum_{n>=0} exp(n*2^n*x) * x^n/n!.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =37a(4) =513a(5) =11281a(6) =400513a(7) =22016065a(8) =1861165057a(9) =238780240129
External references
- oeis: A244820
A244820
E.g.f.: Sum_{n>=0} exp(n*2^n*x) * x^n/n!.