6324344

Appears in sequences

• Number of (n+2) X (n+2) binary arrays avoiding patterns 000 and 111 in rows, columns and nw-to-se diagonals.at n=4A202639
• Number of (n+2)X7 binary arrays avoiding patterns 000 and 111 in rows, columns and nw-to-se diagonals.at n=4A202644