Number of nXnXn triangular nonnegative integer arrays with all sums of an element and its neighbors <= 7.

A166179

Number of nXnXn triangular nonnegative integer arrays with all sums of an element and its neighbors <= 7.

Terms

    a(0) =1a(1) =8a(2) =120a(3) =2030a(4) =208269a(5) =53152348a(6) =27693285837

External references