5201161

Appears in sequences

• Number of n X n binary arrays with all ones connected only in a 1000-1111-0100-0100 pattern in any orientation.at n=9A146823
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1000-1111-0100-0100 pattern in any orientation.at n=20A146825
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1000-1111-0100-0100 pattern in any orientation.at n=21A146825