193943760domain: NAppears in sequencesNumber of (n+1)X(3+1) 0..3 arrays colored with the sets of distinct values in every 2X2 subblock.at n=2A236122T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the sets of distinct values in every 2X2 subblock.at n=12A236123