E.g.f.: Sum_{n>=0} (3^n*x + LambertW(x))^n / n!.
A386656
E.g.f.: Sum_{n>=0} (3^n*x + LambertW(x))^n / n!.
Terms
- a(0) =1a(1) =4a(2) =98a(3) =21901a(4) =45203076a(5) =864855654349
External references
- oeis: A386656
A386656
E.g.f.: Sum_{n>=0} (3^n*x + LambertW(x))^n / n!.