16318664224domain: NAppears in sequencesNumber of (n+1) X 5 binary arrays with every 2 X 2 subblock trace equal to some horizontal or vertical neighbor 2 X 2 subblock trace.at n=7A185745Number of (n+1)X9 binary arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace.at n=3A185749