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

A197628

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

Terms

    a(0) =1a(1) =5a(2) =23a(3) =184a(4) =2717a(5) =71378a(6) =3069415a(7) =228810799a(8) =30168287384

External references