Number of nXnXn triangular 0..4 arrays with some element less than a w, nw or ne neighbor exactly once.

A271030

Number of nXnXn triangular 0..4 arrays with some element less than a w, nw or ne neighbor exactly once.

Terms

    a(0) =0a(1) =40a(2) =896a(3) =15116a(4) =232432a(5) =3441072a(6) =50108414a(7) =724727082a(8) =10461499634a(9) =151103449566

External references