E.g.f.: exp(-3) * Sum_{n>=0} (exp(n*x) + 2)^n / n!.
A326434
E.g.f.: exp(-3) * Sum_{n>=0} (exp(n*x) + 2)^n / n!.
Terms
- a(0) =1a(1) =4a(2) =47a(3) =895a(4) =24450a(5) =887803a(6) =40818505a(7) =2297393888a(8) =154381810471
External references
- oeis: A326434