266060160domain: NAppears in sequencesNumber of (n+1)X(n+1) 0..3 arrays with no 2X2 subblock summing to less than 6.at n=2A184664Number of (n+1)X4 0..3 arrays with no 2X2 subblock summing to less than 6.at n=2A184667T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock summing to less than 6.at n=12A184673