6820667domain: NAppears in sequencesNumber of (n+5)X(n+5) binary arrays with every 6X6 subblock commuting with each horizontal and vertical neighbor 6X6 subblock.at n=6A186610Number of (n+5)X12 binary arrays with every 6X6 subblock commuting with each horizontal and vertical neighbor 6X6 subblock.at n=6A186617