Gaussian binomial coefficient [ n,5 ] for q = -2.

A015305

Gaussian binomial coefficient [ n,5 ] for q = -2.

Terms

    a(0) =1a(1) =-21a(2) =903a(3) =-25585a(4) =875007a(5) =-27125217a(6) =882215391a(7) =-28005209505a(8) =899790907743

External references