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

A197740

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

Terms

    a(0) =1a(1) =2a(2) =23a(3) =359a(4) =14055a(5) =1201128a(6) =242811875a(7) =111519014903

External references