2808783981domain: NAppears in sequencesNumber of (n+1) X (2+1) 0..2 arrays with every 2 X 2 subblock summing to 2 3 4 5 or 6.at n=5A251384Number of (n+1)X(6+1) 0..2 arrays with every 2X2 subblock summing to 2 3 4 5 or 6.at n=1A251388T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to 2 3 4 5 or 6.at n=22A251390