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%I #4 Jan 30 2014 07:08:48
%S 6663,131147,2541745,55635639,1233474275,28500435385,665661690049,
%T 15768609931211,375569735335243,8989526603612093,215676078863399425,
%U 5183740859875741691,124709488532738105743,3002226669923859228469
%N Number of (n+1)X(4+1) 0..2 arrays with the upper median minus the lower median of every 2X2 subblock equal
%C Column 4 of A236737
%H R. H. Hardin, <a href="/A236733/b236733.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..1..1..1..1..1....0..1..1..1..0....1..1..0..1..0....1..0..2..0..0
%e ..1..1..2..1..0....2..1..0..1..2....1..2..1..1..1....1..1..1..1..0
%e ..2..0..1..1..1....1..1..2..1..0....1..0..1..0..2....0..1..0..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 30 2014
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