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%I #4 Feb 20 2013 17:04:07
%S 4,23,194,1722,16440,161779,1752892,18608623,201223272,2201719251,
%T 24272631638,268705232398,2985516009592,33280348746620,
%U 371933566446760,4165471546299038,46738884729278494,525315130609406149
%N Number of nX6 0..1 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order
%C Column 6 of A222456
%H R. H. Hardin, <a href="/A222454/b222454.txt">Table of n, a(n) for n = 1..71</a>
%e Some solutions for n=4
%e ..0..0..0..0..0..0....0..0..0..0..0..0....0..0..1..1..1..1....0..1..0..1..1..1
%e ..1..1..0..0..0..0....0..0..0..0..0..0....0..0..1..1..1..0....1..1..1..1..1..1
%e ..1..1..1..0..0..0....0..0..1..0..0..0....1..1..1..1..1..1....1..1..1..1..1..0
%e ..1..1..1..0..0..0....0..0..1..1..1..1....1..1..1..1..1..1....1..1..1..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 20 2013
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