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%I #4 Feb 17 2014 08:30:22
%S 12352,249664,5166560,107643264,2246142916,46940148128,978607916368,
%T 20366342381968,425018025343492,8883521543001864,185210728399683652,
%U 3854629980225887640,80442685685640839192,1681395591128610885784
%N Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the minimum minus the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
%C Column 3 of A238054
%H R. H. Hardin, <a href="/A238051/b238051.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..1..1..0..3....1..2..1..0....1..0..2..1....0..1..2..3....1..0..2..0
%e ..1..3..1..2....3..2..0..1....2..2..2..2....0..1..3..2....0..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 17 2014
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