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%I #4 Feb 09 2014 05:50:47
%S 83104,4857060,266120870,15808900408,924306101684,55265390979178,
%T 3305459406659964,199510098055657088,12080624520262702334,
%U 735074852627156236784,44859668256282656561688,2745871351805467354744430
%N Number of (n+1)X(4+1) 0..3 arrays with the upper median minus the lower median of every 2X2 subblock equal
%C Column 4 of A237538
%H R. H. Hardin, <a href="/A237535/b237535.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..2..2..1..0..1....3..2..0..1..3....3..2..1..3..3....1..1..1..0..0
%e ..2..1..0..0..0....1..1..0..2..1....3..1..2..0..2....2..3..2..2..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 09 2014