O.g.f.: Sum_{n>=0} n! * x^n / Product_{k=1..n} (1 - n*k*x).
A229234
O.g.f.: Sum_{n>=0} n! * x^n / Product_{k=1..n} (1 - n*k*x).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =19a(4) =189a(5) =2671a(6) =50253a(7) =1203679a(8) =35548509a(9) =1263153631a(10) =52973381853
External references
- oeis: A229234