Number of 7X7X7 triangular nonnegative integer arrays with all sums of an element and its neighbors <= n.
A166193
Number of 7X7X7 triangular nonnegative integer arrays with all sums of an element and its neighbors <= n.
Terms
- a(0) =1a(1) =1348a(2) =461028a(3) =57144847a(4) =3439249710a(5) =121282526769
External references
- oeis: A166193