1134515domain: NAppears in sequencesNumber of (n+1) X (1+1) 0..2 arrays with the maximum plus the upper median minus the minimum of every 2 X 2 subblock equal.at n=7A237802T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock equal.at n=28A237809