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

A237391

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

Terms

    a(0) =81a(1) =434a(2) =434a(3) =2336a(4) =3240a(5) =2336a(6) =12624a(7) =24340a(8) =24340a(9) =12624a(10) =68064a(11) =183764a(12) =255937a(13) =183764a(14) =68064a(15) =366568a(16) =1379886a(17) =2712486a(18) =2712486a(19) =1379886a(20) =366568a(21) =1976940a(22) =10406596a(23) =28732972a(24) =41204198a(25) =28732972a(26) =10406596a(27) =1976940a(28) =10657560a(29) =78612538

External references