Number of 7Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

A302958

Number of 7Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =1172a(2) =164916a(3) =12365841a(4) =1212025201a(5) =130376252119

External references