Enneagorials: n-th polygorial for k=9.

A084942

Enneagorials: n-th polygorial for k=9.

Terms

    a(0) =1a(1) =1a(2) =9a(3) =216a(4) =9936a(5) =745200a(6) =82717200a(7) =12738448800

External references