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%I #6 Mar 05 2013 17:59:51
%S 0,3,8,55,294,1883,11920,78255,517050,3451712,23156964,156076271,
%T 1055435486,7157673375,48656943008,331450961443,2261939399694,
%U 15461147598417,105834401893220,725394224374344,4977715076045096
%N Number of nX2 0..3 arrays with exactly floor(nX2/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order
%C Column 2 of A222794
%H R. H. Hardin, <a href="/A222788/b222788.txt">Table of n, a(n) for n = 1..210</a>
%e All solutions for n=3
%e ..0..1....0..0....0..1....0..0....0..0....0..0....0..0....0..0
%e ..0..0....1..0....2..2....1..2....0..0....0..1....0..1....0..0
%e ..0..0....0..0....2..2....2..2....1..0....2..2....0..0....1..2
%K nonn
%O 1,2
%A _R. H. Hardin_ Mar 05 2013
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