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%I #7 Feb 07 2014 19:27:17
%S 9296,126848,1748190,25159676,361453184,5197555932,74749364118,
%T 1077627856648,15531402661308,223495979069900,3216439008082184,
%U 46370877351516392,668414586969745184,9618695801956763148
%N Number of (n+1) X (3+1) 0..3 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.
%C Column 3 of A237403.
%H R. H. Hardin, <a href="/A237401/b237401.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..2..1..3..0....1..1..0..0....0..0..0..1....2..3..0..3....0..2..2..2
%e ..0..1..0..3....2..3..2..3....1..1..2..1....3..1..2..0....1..3..2..0
%e ..3..1..2..0....2..3..1..0....2..1..2..0....2..0..2..0....3..2..3..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 07 2014
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