1628541369domain: NAppears in sequencesNumber of (n+1)X6 binary arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors.at n=6A187725Number of (n+1)X8 binary arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors.at n=4A187727