Number of nX3 1..4 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.

A166843

Number of nX3 1..4 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) =41a(2) =476a(3) =2733a(4) =11045a(5) =35848a(6) =99847a(7) =248101a(8) =563888a(9) =1192579a(10) =2376276a(11) =4502553

External references