414184domain: NAppears in sequencesNumber of (n+2)X8 0..3 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock.at n=7A186878Number of (n+2)X10 0..3 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock.at n=5A186880