7635071835domain: NAppears in sequencesHalf the number of (n+1) X (n+1) 0..2 arrays with no 2 X 2 subblock having sum 4.at n=3A183783Half the number of (n+1)X5 0..2 arrays with no 2X2 subblock having sum 4.at n=3A183787T(n,k)=Half the number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having sum 4.at n=24A183792