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

A237099

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

Terms

    a(0) =81a(1) =303a(2) =303a(3) =1178a(4) =1735a(5) =1178a(6) =4783a(7) =10466a(8) =10466a(9) =4783a(10) =19735a(11) =66831a(12) =95954a(13) =66831a(14) =19735a(15) =83052a(16) =428497a(17) =944850a(18) =944850a(19) =428497a(20) =83052a(21) =352077a(22) =2832722a(23) =9188374a(24) =14756791a(25) =9188374a(26) =2832722a(27) =352077a(28) =1509309a(29) =18682733

External references