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%I #7 Oct 09 2015 22:32:17
%S 160218,97380,526680,4116576,33070572,276139080,2333010360,
%T 20252939448,177288165936,1586346079800,14299637864256,
%U 131222784826716,1212181534620348,11354938195735176,106955852324919060
%N Number of 7X(n+1) 0..2 arrays with every 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors and no 2 X 2 subblock having the same number of counterclockwise edge increases as its vertical neighbors.
%C Row 6 of A205736.
%H R. H. Hardin, <a href="/A205742/b205742.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..2..2..1..2..0....0..0..0..0..1....1..2..1..0..1....0..0..1..2..1
%e ..0..2..1..2..0....1..0..2..0..1....2..1..2..1..0....1..0..1..2..0
%e ..1..0..2..1..2....2..1..0..1..2....1..1..1..1..1....0..1..2..1..0
%e ..1..0..2..1..2....1..1..1..1..1....1..1..1..1..1....0..1..2..1..2
%e ..2..1..0..2..0....1..1..1..1..1....2..1..2..1..2....1..2..1..0..2
%e ..2..1..0..2..0....1..2..1..0..1....0..2..0..2..1....1..1..1..1..1
%e ..0..2..1..0..1....2..1..0..2..0....2..2..2..2..1....1..1..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 30 2012
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