Number of nX3 1..5 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in decreasing order.

A166844

Number of nX3 1..5 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in decreasing order.

Terms

    a(0) =0a(1) =55a(2) =1660a(3) =16140a(4) =94851a(5) =414837a(6) =1487423a(7) =4614260

External references