1449135596domain: NAppears in sequencesNumber of (n+1) X (4+1) 0..3 arrays colored with the difference of the maximum and minimum in each 2 X 2 subblock.at n=3A236448T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the difference of the maximum and minimum in each 2X2 subblock.at n=24A236451