Number of nXnXn triangular nonnegative integer arrays with all sums of an element and its neighbors <= 14.

A166186

Number of nXnXn triangular nonnegative integer arrays with all sums of an element and its neighbors <= 14.

Terms

    a(0) =1a(1) =15a(2) =680a(3) =49848a(4) =39571482a(5) =129352191161

External references