496111352domain: NAppears in sequencesNumber of (n+1)X(3+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 12.at n=2A234402T(n,k)=Number of (n+1)X(k+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 12.at n=12A234405