E.g.f.: Sum_{n>=0} x^n * (1 + exp(n*x))^n.
A248615
E.g.f.: Sum_{n>=0} x^n * (1 + exp(n*x))^n.
Terms
- a(0) =1a(1) =2a(2) =10a(3) =99a(4) =1540a(5) =33765a(6) =978486a(7) =35904463a(8) =1617090728a(9) =87295834665
External references
- oeis: A248615
A248615
E.g.f.: Sum_{n>=0} x^n * (1 + exp(n*x))^n.