28644797

Properties

Appears in sequences

• Number of n X n binary arrays with all ones connected only in a 101-111-100 pattern in any orientation.at n=8A146188
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 101-111-100 pattern in any orientation.at n=18A146190
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 101-111-100 pattern in any orientation.at n=19A146190
• Prime numbersat n=1779060