Number of nXnXn triangular nonnegative integer arrays with all sums of an element and its neighbors <= 6.

A166178

Number of nXnXn triangular nonnegative integer arrays with all sums of an element and its neighbors <= 6.

Terms

    a(0) =1a(1) =7a(2) =84a(3) =1072a(4) =73383a(5) =11347520a(6) =3274136129

External references