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%I #4 Feb 11 2014 09:43:03
%S 63000,1346420,30618976,796647426,20221334140,498113608930,
%T 12343384024320,311516250091564,7827815524635584,195109685747765892,
%U 4870240306854393988,122133722554552201048,3060221955313330464924
%N Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the upper median plus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
%C Column 4 of A237677
%H R. H. Hardin, <a href="/A237675/b237675.txt">Table of n, a(n) for n = 1..64</a>
%e Some solutions for n=1
%e ..2..0..1..0..0....2..2..3..3..2....1..1..0..2..2....3..0..2..3..1
%e ..0..0..2..2..3....0..0..0..3..1....1..3..1..0..1....2..3..2..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 11 2014
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