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

A197951

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

Terms

    a(0) =1a(1) =1a(2) =7a(3) =72a(4) =1045a(5) =34736a(6) =2260659a(7) =267327524a(8) =64601028921

External references