The product of the first n terms of A383217.

A383218

The product of the first n terms of A383217.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =24a(4) =120a(5) =720a(6) =5760a(7) =51840a(8) =518400a(9) =5702400a(10) =68428800a(11) =889574400a(12) =12454041600a(13) =186810624000

External references