Number of nX3 1..6 arrays containing at least one of each value, and all equal values connected.

A166765

Number of nX3 1..6 arrays containing at least one of each value, and all equal values connected.

Terms

    a(0) =0a(1) =720a(2) =149760a(3) =5145840a(4) =85542480a(5) =921983760

External references