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%I #5 Aug 11 2014 22:45:56
%S 2080,797162,385947545,186857377214,90851753687090,44211082661517335,
%T 21520525142517911969,10476403113401723273990,
%U 5100155933741320284692402,2482895459316107604248640311,1208744613716844782234220456029
%N Number of 7Xn 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order
%C Row 7 of A233082
%H R. H. Hardin, <a href="/A233088/b233088.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A233088/a233088.txt">Empirical recurrence of order 52</a>
%F Empirical recurrence of order 52 (see link above)
%e Some solutions for n=1
%e ..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
%e ..3....1....3....3....1....1....3....1....1....0....1....1....3....0....0....1
%e ..0....3....1....3....3....2....1....1....0....3....1....1....3....0....1....1
%e ..1....2....1....0....0....0....2....3....1....3....3....3....0....3....0....1
%e ..1....1....1....3....2....2....3....0....3....0....0....1....3....1....1....3
%e ..0....3....3....0....3....1....2....1....1....1....2....2....3....0....3....0
%e ..2....3....1....0....0....0....3....0....1....3....2....1....3....0....3....2
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 03 2013
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