(n-1)-st elementary symmetric function of (0!,...,(n-1)!).

A203227

(n-1)-st elementary symmetric function of (0!,...,(n-1)!).

Terms

    a(0) =1a(1) =2a(2) =5a(3) =32a(4) =780a(5) =93888a(6) =67633920a(7) =340899840000

External references