19928333

Properties

Appears in sequences

• Number of n X n binary arrays with all ones connected only in a 1000-1100-0111-0010 pattern in any orientation.at n=9A147147
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1000-1100-0111-0010 pattern in any orientation.at n=20A147149
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1000-1100-0111-0010 pattern in any orientation.at n=21A147149
• Prime numbersat n=1266335