Number of (n+2) X (n+2) binary arrays avoiding patterns 000 and 111 in rows, columns and nw-to-se diagonals.

A202639

Number of (n+2) X (n+2) binary arrays avoiding patterns 000 and 111 in rows, columns and nw-to-se diagonals.

Terms

    a(0) =66a(1) =530a(2) =7432a(3) =171362a(4) =6324344a(5) =386981422a(6) =38841628112

External references