O.g.f.: exp( Integral Sum_{n>=1} n! * n^(n-1) * x^(n-1) / Product_{k=1..n} (1 - k*n*x) dx ).
A243435
O.g.f.: exp( Integral Sum_{n>=1} n! * n^(n-1) * x^(n-1) / Product_{k=1..n} (1 - k*n*x) dx ).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =29a(4) =686a(5) =30552a(6) =2191262a(7) =230356646a(8) =33349943718
External references
- oeis: A243435