18941331

Appears in sequences

• Number of n X n binary arrays with all ones connected only in a 11000-01110-00011 pattern in any orientation.at n=10A147185
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 11000-01110-00011 pattern in any orientation.at n=22A147187
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 11000-01110-00011 pattern in any orientation.at n=23A147187