Second column (k=3) sequence of array A091746 ((6,2)-Stirling2) divided by 12.

A091550

Second column (k=3) sequence of array A091746 ((6,2)-Stirling2) divided by 12.

Terms

    a(0) =1a(1) =160a(2) =39900a(3) =15120000a(4) =8202070800

External references