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

A197790

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

Terms

    a(0) =1a(1) =1a(2) =13a(3) =52a(4) =786a(5) =25425a(6) =808145a(7) =82768814a(8) =12208450292

External references