Number of n X 7 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,4,0,2,1 for x=0,1,2,3,4.

A196652

Number of n X 7 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,4,0,2,1 for x=0,1,2,3,4.

Terms

    a(0) =13a(1) =275a(2) =2178a(3) =37661a(4) =689313a(5) =10183698a(6) =163282859a(7) =2644969245a(8) =42258577643a(9) =676570815905

External references