Product of terms of n-th row of A077553.

A077555

Product of terms of n-th row of A077553.

Terms

    a(0) =4a(1) =24a(2) =216a(3) =2160a(4) =32400a(5) =810000a(6) =9525600a(7) =238140000a(8) =8334900000a(9) =408410100000

External references