Number of nXnXn triangular nonnegative integer arrays with all sums of an element and its neighbors <= 9.
A166181
Number of nXnXn triangular nonnegative integer arrays with all sums of an element and its neighbors <= 9.
Terms
- a(0) =1a(1) =10a(2) =220a(3) =6111a(4) =1264026a(5) =771160264
External references
- oeis: A166181