11998517

Appears in sequences

• Number of n X n binary arrays with all ones connected only in a 0100-1111-0010 pattern in any orientation.at n=9A146365
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 0100-1111-0010 pattern in any orientation.at n=20A146367
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 0100-1111-0010 pattern in any orientation.at n=21A146367