Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

A302819

Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =64a(1) =960a(2) =7900a(3) =170262a(4) =3252934a(5) =58122740a(6) =1135257814a(7) =22294687742a(8) =427140472935

External references