%I #4 Jan 12 2014 07:11:44
%S 1076,18606,336836,6353336,118826310,2119256572,35394045432,
%T 551086363442,8029786206898,110154213330742,1432552935758792,
%U 17772883732667624,211553556610478836,2427824437884795972,26977060677142323628
%N Number of (n+1)X(5+1) 0..1 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise
%C Column 5 of A235573
%H R. H. Hardin, <a href="/A235570/b235570.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..1..1..0..0..0..1....0..1..1..1..0..0....0..0..0..1..0..0....0..0..0..1..0..0
%e ..1..0..0..0..0..1....0..0..1..1..1..0....1..0..1..0..1..1....0..1..0..0..1..1
%e ..1..1..0..0..0..1....0..0..0..1..1..0....0..1..0..0..0..1....0..0..1..1..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 12 2014