Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

A301353

Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =8a(1) =981a(2) =39390a(3) =1392131a(4) =48476633a(5) =1702789144a(6) =59990521481

External references