Number of nXnXn triangular nonnegative integer arrays with all sums of an element and its neighbors <= 13.
A166185
Number of nXnXn triangular nonnegative integer arrays with all sums of an element and its neighbors <= 13.
Terms
- a(0) =1a(1) =14a(2) =560a(3) =34608a(4) =21726484a(5) =52965100001
External references
- oeis: A166185