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%I #5 Mar 06 2013 11:38:12
%S 0,4,32,613,7152,117140,1613820,24884991,363921808,5535894434,
%T 82950103964,1261556870873,19123754052912,291751166759784,
%U 4451928929497276,68156252881621777,1044588670185838192
%N Number of nX2 0..3 arrays with exactly floor(nX2/2) elements equal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order
%C Column 2 of A222832
%H R. H. Hardin, <a href="/A222829/b222829.txt">Table of n, a(n) for n = 1..207</a>
%e Some solutions for n=3
%e ..0..1....0..1....0..1....0..1....0..1....0..1....0..0....0..1....0..1....0..1
%e ..0..0....2..2....2..2....2..2....2..2....2..3....1..0....0..2....2..1....2..0
%e ..2..1....2..0....2..3....3..2....0..2....3..3....0..1....0..3....0..1....0..0
%K nonn
%O 1,2
%A _R. H. Hardin_ Mar 06 2013
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