%I #4 Feb 08 2014 06:40:55
%S 11960,221512,4248736,82919944,1621147104,31641923080,616331002428,
%T 12011356925024,234603565050504,4580128895980528,89230824433658628,
%U 1738941638634259312,33963912422435796628,663075442863151557160
%N Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
%C Column 3 of A237494
%H R. H. Hardin, <a href="/A237491/b237491.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..3..1..1..1....0..0..1..2....3..0..1..0....3..1..0..3....0..2..1..2
%e ..2..3..3..2....3..1..3..2....3..3..0..2....1..1..3..2....2..0..2..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 08 2014