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

A197651

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

Terms

    a(0) =1a(1) =7a(2) =25a(3) =279a(4) =15573a(5) =403867a(6) =64115297a(7) =13562905311

External references