806190208

Appears in sequences

• Number of binary arrangements without adjacent 1's on n X n array connected e-w ne-sw nw-se.at n=6A067963
• Number of nX7 binary arrays with no two ones adjacent horizontally, diagonally or antidiagonally.at n=6A228682
• Number of 7Xn binary arrays with no two ones adjacent horizontally, diagonally or antidiagonally.at n=6A228688