Number of 6X6X6 triangular nonnegative integer arrays with all sums of an element and its neighbors <= n.

A166192

Number of 6X6X6 triangular nonnegative integer arrays with all sums of an element and its neighbors <= n.

Terms

    a(0) =1a(1) =276a(2) =23591a(3) =916190a(4) =20417349a(5) =302330869a(6) =3274136129a(7) =27693285837a(8) =191732812341

External references