218750525

Appears in sequences

• Number of n X n binary arrays with all ones connected only in a 1000-1111-0001 pattern in any orientation.at n=10A146602
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1000-1111-0001 pattern in any orientation.at n=22A146604
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1000-1111-0001 pattern in any orientation.at n=23A146604