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%I #5 Mar 31 2012 12:35:52
%S 18,540,16512,524288,16796160,536870912,17180393472,549761399856,
%T 17592219598848,562949953421312,18014402847965184,576460752303423488,
%U 18446744211148505088,590295811461438504960,18889465940274673876992
%N Half the number of nX5 0..2 arrays with no element equal to the sum mod 3 of its horizontal and vertical neighbors
%C Column 5 of A183501
%H R. H. Hardin, <a href="/A183498/b183498.txt">Table of n, a(n) for n = 1..29</a>
%e Some solutions for 3X5
%e ..1..1..2..2..2....2..0..1..2..2....2..0..2..0..2....0..1..2..2..1
%e ..2..0..1..0..2....1..2..0..0..1....1..0..0..0..1....0..0..0..0..0
%e ..0..0..1..2..2....2..2..2..2..1....0..0..2..1..0....2..0..0..2..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 05 2011
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