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%I #4 Jan 27 2014 04:32:53
%S 26091,2339313,192914141,14826588345,1095464601321,78726807207771,
%T 5564322438106237,389132366606307561,27040769321739907771,
%U 1871865092363761947679,129286147695689699622959
%N Number of (n+1)X(4+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise
%C Column 4 of A236490
%H R. H. Hardin, <a href="/A236488/b236488.txt">Table of n, a(n) for n = 1..163</a>
%e Some solutions for n=1
%e ..1..1..2..0..0....0..1..0..0..1....0..0..1..1..2....1..2..0..0..2
%e ..2..0..2..0..2....1..0..1..1..0....1..1..1..2..2....2..0..0..2..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 27 2014
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