Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

A302321

Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =64a(1) =960a(2) =4509a(3) =55727a(4) =529381a(5) =4521584a(6) =45861206a(7) =444688101a(8) =4176914829a(9) =40809262060a(10) =395654711075

External references