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%I #5 Aug 11 2014 22:46:10
%S 434,3240,24340,183764,1379886,10406596,78612538,593121116,4469323758,
%T 33698637958,254212599808,1917348305880,14457809113682,
%U 109028076862576,822269791408032,6201236835251186,46765472722995182,352677245924001228
%N Number of (n+1)X(2+1) 0..2 arrays colored with the maximum plus the upper median minus the minimum of every 2X2 subblock
%C Column 2 of A237391
%H R. H. Hardin, <a href="/A237386/b237386.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A237386/a237386.txt">Empirical recurrence of order 58</a>
%F Empirical recurrence of order 58 (see link above)
%e Some solutions for n=4
%e ..0..0..0....0..2..2....0..2..2....1..1..1....0..2..2....0..2..2....0..2..1
%e ..2..1..1....1..1..0....1..1..0....0..0..2....2..1..2....0..2..2....0..0..0
%e ..1..1..1....0..0..0....1..0..0....0..0..2....1..2..0....0..0..0....0..0..2
%e ..1..1..2....0..1..2....0..0..0....0..1..1....1..1..1....1..0..0....2..0..1
%e ..0..2..0....2..1..1....2..1..0....2..1..0....1..1..2....1..2..2....1..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 07 2014