99986786773domain: NAppears in sequencesExpansion of e.g.f. 1/(7- Sum_{k=1..6} exp(k*x)).at n=6A004704a(n) = n! * [x^n] 1/(1 + n - exp(x)*(exp(n*x) - 1)/(exp(x) - 1)).at n=6A319508