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

A198088

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

Terms

    a(0) =1a(1) =2a(2) =11a(3) =74a(4) =976a(5) =21825a(6) =872834a(7) =59303832a(8) =7042717250

External references