Number of nXnXn triangular 0..7 arrays with some element less than a w, nw or ne neighbor exactly once.

A271033

Number of nXnXn triangular 0..7 arrays with some element less than a w, nw or ne neighbor exactly once.

Terms

    a(0) =0a(1) =168a(2) =10164a(3) =535106a(4) =28658242a(5) =1610555756a(6) =95420380090

External references