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%I #4 Jan 16 2014 08:20:25
%S 12373,919222,84434218,7084268884,509718744920,31142484762646,
%T 1656595310876326,77736219720516131,3292922587031251015,
%U 126923138135345038967,4523584885336479266286,149771727888161066846477
%N Number of (n+1)X(4+1) 0..2 arrays with the sum of each 2X2 subblock two extreme terms minus its two median terms lexicographically nondecreasing rowwise and columnwise
%C Column 4 of A235842
%H R. H. Hardin, <a href="/A235841/b235841.txt">Table of n, a(n) for n = 1..26</a>
%e Some solutions for n=1
%e ..1..0..0..0..1....2..2..1..0..0....1..1..1..0..2....1..2..0..2..0
%e ..1..2..1..2..0....1..2..2..1..0....1..1..1..2..0....0..1..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 16 2014