64979929domain: NAppears in sequencesNumber of (n+1) X 2 0..6 arrays with every 2 X 2 subblock summing to 12.at n=7A183664Number of (n+1)X9 0..6 arrays with every 2x2 subblock summing to 12.at n=0A183671T(n,k)=Number of (n+1)X(k+1) 0..6 arrays with every 2X2 subblock summing to 12.at n=28A183672