E.g.f.: A(x) = Sum_{n>=0} exp((2^n + (-1)^n)*x) * (2^n + (-1)^n)^n * x^n/n!.
A196457
E.g.f.: A(x) = Sum_{n>=0} exp((2^n + (-1)^n)*x) * (2^n + (-1)^n)^n * x^n/n!.
Terms
- a(0) =1a(1) =3a(2) =31a(3) =729a(4) =96895a(5) =35927793a(6) =81108563671
External references
- oeis: A196457