a(n) = floor(ratio of product and sum of first n numbers).

A061370

a(n) = floor(ratio of product and sum of first n numbers).

Terms

    a(0) =1a(1) =0a(2) =1a(3) =2a(4) =8a(5) =34a(6) =180a(7) =1120a(8) =8064a(9) =65978a(10) =604800a(11) =6141046a(12) =68428800a(13) =830269440a(14) =10897286400a(15) =153844043294

External references