a(n) = n! * [x^n] 1/(1 + x*exp(n*x)).

A302398

a(n) = n! * [x^n] 1/(1 + x*exp(n*x)).

Terms

    a(0) =1a(1) =-1a(2) =-2a(3) =3a(4) =248a(5) =5655a(6) =62064a(7) =-3516625a(8) =-376936064a(9) =-21890186577a(10) =-495165203200

External references