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%I #5 Aug 11 2014 22:46:09
%S 1386,15254,168564,1949236,22695802,269108894,3207539588,38599508572,
%T 466275664500,5664487537556,69007333422447,843652458439362,
%U 10335176759901673,126898784204316940,1560376523474291714
%N Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the minimum minus the lower median of every 2X2 subblock equal
%C Column 3 of A236828
%H R. H. Hardin, <a href="/A236823/b236823.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A236823/a236823.txt">Empirical recurrence of order 84</a>
%F Empirical recurrence of order 84 (see link above)
%e Some solutions for n=3
%e ..0..2..2..0....0..1..0..1....0..2..0..2....1..1..0..0....1..0..2..2
%e ..0..0..0..1....2..2..2..1....0..0..0..0....0..0..1..0....2..0..0..0
%e ..2..2..0..2....2..1..0..1....0..2..0..2....0..1..0..1....0..1..2..1
%e ..1..1..0..2....0..2..2..1....0..0..0..0....0..0..0..0....0..2..1..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 31 2014