5575336614domain: NAppears in sequencesNumber of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4.at n=4A233945Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4.at n=3A233946