Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,2,4,0 for x=0,1,2,3,4.

A197078

Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,2,4,0 for x=0,1,2,3,4.

Terms

    a(0) =13a(1) =487a(2) =13286a(3) =445506a(4) =14895018a(5) =513380599a(6) =17446576240a(7) =592290047724

External references