112721511432domain: NAppears in sequencesNumber of (n+1)X(2+1) 0..3 arrays colored with the maximum plus the upper median plus the lower median of every 2X2 subblock.at n=5A236252T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the upper median plus the lower median of every 2X2 subblock.at n=22A236254