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

A197962

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

Terms

    a(0) =1a(1) =5a(2) =29a(3) =432a(4) =13645a(5) =931718a(6) =133709280a(7) =40405952450

External references