635779domain: NAppears in sequencesNumber of (n+3)X8 0..2 arrays with every 4X4 subblock commuting with each horizontal and vertical neighbor 4X4 subblock.at n=6A186585Number of (n+3)X10 0..2 arrays with every 4X4 subblock commuting with each horizontal and vertical neighbor 4X4 subblock.at n=4A186587