28275879

Appears in sequences

• Number of n X n binary arrays with all ones connected only in a 1100-0110-0011 pattern in any orientation.at n=9A146445
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1100-0110-0011 pattern in any orientation.at n=20A146447
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1100-0110-0011 pattern in any orientation.at n=21A146447