Expansion of e.g.f.: exp( Sum_{n>=1} (n-1)! * x^n ).
A158876
Expansion of e.g.f.: exp( Sum_{n>=1} (n-1)! * x^n ).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =19a(4) =217a(5) =4041a(6) =113611a(7) =4532683a(8) =244208049a(9) =17085010897
External references
- oeis: A158876