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

A203379

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

Terms

    a(0) =1a(1) =4a(2) =12a(3) =86a(4) =1385a(5) =26083a(6) =1411032a(7) =135514315a(8) =17976608084

External references