25933795801domain: NAppears in sequencesa(n) = (n+1)^n - n!.at n=9A126130G.f.: Product_{n>=1} (1 + a(n)*x^n/n!) = Sum_{n>=0} (n+1)^(n-1)*x^n/n! = LambertW(-x)/(-x).at n=10A159310G.f.: 1/Product_{n>=1} (1 - a(n)*x^n/n!) = Sum_{n>=0} (n+1)^(n-1)*x^n/n!.at n=10A159313