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

A197763

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

Terms

    a(0) =1a(1) =1a(2) =7a(3) =75a(4) =763a(5) =18910a(6) =792004a(7) =61120305a(8) =8542334163

External references