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%I #4 Feb 28 2013 17:07:17
%S 0,8,32,220,664,7248,25642,298371,1096152,12945294,48211246,573628264,
%T 2151355010,25742089966,97071821386,1166397676786,4417183199796,
%U 53250737244290,202351443983488,2445862968089744,9320019295610972
%N Number of 3Xn 0..2 arrays with exactly floor(3Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order
%C Row 3 of A222690
%H R. H. Hardin, <a href="/A222692/b222692.txt">Table of n, a(n) for n = 1..60</a>
%e Some solutions for n=3
%e ..0..0..0....0..1..1....0..0..1....0..0..1....0..0..0....0..0..0....0..1..1
%e ..0..0..0....1..1..1....2..0..0....0..1..1....0..0..1....0..0..1....2..1..1
%e ..0..1..0....1..1..2....0..0..0....1..1..1....0..0..1....0..1..1....1..1..1
%K nonn
%O 1,2
%A _R. H. Hardin_ Feb 28 2013
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