Coefficient of x^n in (1 - (n-1)*x - n*x^2)^n.

A307885

Coefficient of x^n in (1 - (n-1)*x - n*x^2)^n.

Terms

    a(0) =1a(1) =0a(2) =-3a(3) =28a(4) =-255a(5) =2376a(6) =-20195a(7) =71688a(8) =3834369a(9) =-187855280a(10) =6676401501a(11) =-220595216280

External references