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%I #4 Feb 16 2014 05:48:02
%S 81402,2744048,94068938,3422869862,120261272346,4232660312790,
%T 149839687112404,5374881900028516,190148789948171974,
%U 6721705698951447792,238540040050401540444,8504061339612849316530,301419635279288041707710
%N Number of (n+1)X(4+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
%C Column 4 of A237936
%H R. H. Hardin, <a href="/A237934/b237934.txt">Table of n, a(n) for n = 1..57</a>
%e Some solutions for n=1
%e ..1..1..2..1..2....3..0..1..1..2....1..3..2..2..0....2..2..0..3..0
%e ..2..1..2..0..1....0..1..1..1..0....3..3..3..1..1....3..1..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 16 2014
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