%I #5 Feb 27 2013 08:39:05

%S 1,1,3,12,38,124,430,1530,5378,18938,67042,238446,849586,3033214,

%T 10851386,38895414,139634834,502003486,1807104810,6512929766,

%U 23498319154,84864219966,306764487338,1109807490550,4018136484386,14558333191406

%N Number of nX2 0..2 arrays with no more than floor(nX2/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order

%C Column 2 of A222649

%H R. H. Hardin, <a href="/A222643/b222643.txt">Table of n, a(n) for n = 1..210</a>

%e All solutions for n=3

%e ..0..0....0..0....0..1

%e ..0..0....0..0....1..1

%e ..0..1....0..0....1..1

%K nonn

%O 1,3

%A _R. H. Hardin_ Feb 27 2013