Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

A300320

Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =21a(1) =348a(2) =3875a(3) =203113a(4) =4705725a(5) =178277369a(6) =7221094975a(7) =257924884697

External references