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

A198090

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

Terms

    a(0) =1a(1) =5a(2) =17a(3) =92a(4) =1017a(5) =23269a(6) =789910a(7) =53978753a(8) =6677975379

External references