15722137048domain: NAppears in sequencesNumber of (n+1)X(3+1) 0..3 arrays colored with the difference of the maximum and minimum in each 2X2 subblock.at n=5A236447Number of (n+1)X(6+1) 0..3 arrays colored with the difference of the maximum and minimum in each 2X2 subblock.at n=2A236450