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%I #4 Feb 14 2013 05:30:38
%S 4,40,364,15309,204555,12855928,216228179,15688878354,283068206603,
%T 21098476001644,385931333870127,28983257047817242,532423461945542041,
%U 40098523259553204426,737871045332271072405,55677626294569362982028
%N Number of nX5 0..3 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order
%C Column 5 of A222275
%H R. H. Hardin, <a href="/A222273/b222273.txt">Table of n, a(n) for n = 1..21</a>
%e Some solutions for n=3
%e ..0..0..0..0..0....0..1..0..0..0....0..1..0..0..0....0..0..1..1..1
%e ..1..1..0..0..0....0..0..0..0..0....0..0..0..0..0....0..1..1..1..1
%e ..1..1..0..0..0....0..2..0..0..0....0..0..0..0..2....1..0..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 14 2013
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