468319269164domain: NAppears in sequencesNumber of (n+1)X6 binary arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum.at n=6A185493Number of (n+1)X8 binary arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum.at n=4A185495