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

A207162

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

Terms

    a(0) =1a(1) =2a(2) =8a(3) =38a(4) =644a(5) =11258a(6) =477591a(7) =38645905a(8) =5336450490

External references