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

A197971

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

Terms

    a(0) =1a(1) =1a(2) =1a(3) =50a(4) =244a(5) =854a(6) =141308a(7) =15242696a(8) =554207242a(9) =82170969714

External references