Number of n X n X n triangular nonnegative integer arrays with all sums of an element and its neighbors <= 11.
A166183
Number of n X n X n triangular nonnegative integer arrays with all sums of an element and its neighbors <= 11.
Terms
- a(0) =1a(1) =12a(2) =364a(3) =15484a(4) =5802288a(5) =7425638816
External references
- oeis: A166183