Number of nX3 1..4 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order.

A166783

Number of nX3 1..4 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order.

Terms

    a(0) =0a(1) =252a(2) =2624a(3) =14259a(4) =55748a(5) =177136a(6) =486512a(7) =1197675a(8) =2705424a(9) =5699396a(10) =11330072a(11) =21443587

External references