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%I #4 Feb 12 2014 07:06:21
%S 545952,21521906,880137130,38540080508,1600427032562,66307015751300,
%T 2784288129137988,119277634460419988,4993569990465988482,
%U 208671479670407084520,8788911888434679753096,372742399393611061571444
%N Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
%C Column 7 of A237730
%H R. H. Hardin, <a href="/A237729/b237729.txt">Table of n, a(n) for n = 1..28</a>
%e Some solutions for n=1
%e ..0..0..2..2..0..0..2..2....0..1..1..0..1..2..1..1....0..1..0..1..1..0..0..2
%e ..2..2..1..2..1..1..0..2....0..0..0..2..1..2..2..2....1..1..0..0..2..0..2..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 12 2014