E.g.f.: Sum_{n>=0} x^n/n! * Product_{k=1..n} LambertW(-k*x)/(-k*x).
A230321
E.g.f.: Sum_{n>=0} x^n/n! * Product_{k=1..n} LambertW(-k*x)/(-k*x).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =19a(4) =203a(5) =3296a(6) =75862a(7) =2340710a(8) =92647529a(9) =4554162028a(10) =271560907586
External references
- oeis: A230321