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

A198160

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

Terms

    a(0) =1a(1) =1a(2) =13a(3) =54a(4) =846a(5) =25780a(6) =859573a(7) =86163253a(8) =12266096117

External references