449857

Appears in sequences

• Number of n X n binary arrays with all ones connected only in a 1000-1100-0111-0001 pattern in any orientation.at n=8A147275
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1000-1100-0111-0001 pattern in any orientation.at n=18A147277
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1000-1100-0111-0001 pattern in any orientation.at n=19A147277