Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,3,2,2,0,0,2 for x=0,1,2,3,4,5,6.

A203122

Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,3,2,2,0,0,2 for x=0,1,2,3,4,5,6.

Terms

    a(0) =1a(1) =2a(2) =8a(3) =38a(4) =470a(5) =8287a(6) =289052a(7) =18346083a(8) =2073906873a(9) =428208650284

External references