Number of nXnXn triangular 0..5 arrays with some element plus some adjacent element totalling 5+1 exactly once.

A270507

Number of nXnXn triangular 0..5 arrays with some element plus some adjacent element totalling 5+1 exactly once.

Terms

    a(0) =0a(1) =63a(2) =15843a(3) =12034134a(4) =32485734273

External references