O.g.f.: Sum_{n>=0} -n^n*(n-1)^(n-1) * exp(-n*(n-1)*x) * x^n / n!.
A217905
O.g.f.: Sum_{n>=0} -n^n*(n-1)^(n-1) * exp(-n*(n-1)*x) * x^n / n!.
Terms
- a(0) =1a(1) =-1a(2) =-2a(3) =-14a(4) =-184a(5) =-3532a(6) =-89256a(7) =-2800016a(8) =-104967808a(9) =-4578528464a(10) =-227816059360
External references
- oeis: A217905