Number of n X n X n triangular nonnegative integer arrays with all sums of an element and its neighbors <= 5.
A166177
Number of n X n X n triangular nonnegative integer arrays with all sums of an element and its neighbors <= 5.
Terms
- a(0) =1a(1) =6a(2) =56a(3) =524a(4) =22824a(5) =2020979a(6) =302330869a(7) =121282526769
External references
- oeis: A166177