3211547domain: NAppears in sequencesNumber of (n+5)X9 binary arrays with every 6X6 subblock commuting with each horizontal and vertical neighbor 6X6 subblock.at n=7A186614Number of (n+5)X13 binary arrays with every 6X6 subblock commuting with each horizontal and vertical neighbor 6X6 subblock.at n=3A186618