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%I #5 Feb 28 2013 06:53:00
%S 0,0,2,9,26,103,446,1964,8624,38467,172996,781826,3543506,16101962,
%T 73319508,334431875,1527675428,6987461432,31997430636,146680198680,
%U 673052434686,3091103533619,14208094465250,65356612821710
%N Number of nX2 0..3 arrays with exactly floor(nX2/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order
%C Column 2 of A222666
%H R. H. Hardin, <a href="/A222660/b222660.txt">Table of n, a(n) for n = 1..210</a>
%e All solutions for n=3
%e ..0..0....0..1
%e ..0..0....1..1
%e ..0..1....1..1
%K nonn
%O 1,3
%A _R. H. Hardin_ Feb 28 2013
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