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

A197664

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

Terms

    a(0) =1a(1) =4a(2) =10a(3) =47a(4) =489a(5) =6519a(6) =146513a(7) =6298384a(8) =434627282

External references