Number of nXnXn triangular nonnegative integer arrays with all sums of an element and its neighbors <= 4.
A166176
Number of nXnXn triangular nonnegative integer arrays with all sums of an element and its neighbors <= 4.
Terms
- a(0) =1a(1) =5a(2) =35a(3) =232a(4) =6052a(5) =285850a(6) =20417349a(7) =3439249710
External references
- oeis: A166176