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

A205075

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

Terms

    a(0) =1a(1) =2a(2) =8a(3) =59a(4) =717a(5) =17639a(6) =726313a(7) =53764210a(8) =7356398186

External references