Number of 6X6X6 triangular 0..n arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors.

A214356

Number of 6X6X6 triangular 0..n arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors.

Terms

    a(0) =16814a(1) =3778867a(2) =205613460a(3) =5193620491a(4) =79817831414a(5) =861351043995

External references