E.g.f.: Product_{k>=1} 1 / (1 - exp(x) * x^k / k!).
A347005
E.g.f.: Product_{k>=1} 1 / (1 - exp(x) * x^k / k!).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =28a(4) =205a(5) =1856a(6) =19964a(7) =249005a(8) =3535613a(9) =56339884a(10) =996009280a(11) =19350090365a(12) =409850078356
External references
- oeis: A347005