2211763

Appears in sequences

• Number of n X n binary arrays with all ones connected only in a 1100-1111-0001 pattern in any orientation.at n=8A146847
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1100-1111-0001 pattern in any orientation.at n=18A146849
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1100-1111-0001 pattern in any orientation.at n=19A146849
• Number of (n+3)X(n+3) 0..2 arrays with every 4X4 subblock commuting with each horizontal and vertical neighbor 4X4 subblock.at n=9A186580