68228177

Appears in sequences

• Number of n X n binary arrays with all ones connected only in a 1001-1111-0100 pattern in any orientation.at n=9A146831
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1001-1111-0100 pattern in any orientation.at n=20A146833
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1001-1111-0100 pattern in any orientation.at n=21A146833