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

A197860

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

Terms

    a(0) =1a(1) =1a(2) =7a(3) =7a(4) =278a(5) =1563a(6) =32827a(7) =1212889a(8) =38101597

External references