T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the lower median minus the upper median of every 2X2 subblock.

A236704

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the lower median minus the upper median of every 2X2 subblock.

Terms

    a(0) =81a(1) =426a(2) =426a(3) =2285a(4) =3188a(5) =2285a(6) =12076a(7) =23788a(8) =23788a(9) =12076a(10) =64277a(11) =178232a(12) =259396a(13) =178232a(14) =64277a(15) =340944a(16) =1338314a(17) =2832926a(18) =2832926a(19) =1338314a(20) =340944a(21) =1814328a(22) =10041714a(23) =31409880a(24) =46692992a(25) =31409880a(26) =10041714a(27) =1814328a(28) =9631020a(29) =75235940

External references