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

A207159

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

Terms

    a(0) =1a(1) =4a(2) =10a(3) =72a(4) =793a(5) =16137a(6) =551329a(7) =32665248a(8) =3413776221

External references