2409621

Appears in sequences

• Number of n X n binary arrays with all ones connected only in a 11110-01111 pattern in any orientation.at n=9A147505
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 11110-01111 pattern in any orientation.at n=20A147507
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 11110-01111 pattern in any orientation.at n=21A147507