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%I #4 Mar 05 2013 03:00:38
%S 0,4,13,96,301,2242,7575,55958,196442,1448568,5188656,38338122,
%T 138866688,1029494580,3754449699,27929878716,102325331440,
%U 763577070328,2806916894109,21001612120424,77405327921654,580452846750048
%N Number of nX3 0..1 arrays with exactly floor(nX3/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order
%C Column 3 of A222769
%H R. H. Hardin, <a href="/A222764/b222764.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..0..0..0....0..0..0....0..0..0....0..1..0....0..1..0....0..0..0....0..1..1
%e ..0..0..0....0..0..0....1..1..1....0..0..0....1..1..1....0..0..0....1..1..1
%e ..0..1..0....1..1..1....1..1..1....0..0..0....1..1..1....1..0..1....1..1..0
%K nonn
%O 1,2
%A _R. H. Hardin_ Mar 05 2013
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