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%I #4 Mar 07 2013 09:49:52
%S 1,7,51,391,2894,22491,173099,1351439,10562301,83067164,654664840,
%T 5177288283,41027782738,325853413087,2592430133475,20658531950143,
%U 164850585115958,1317141294092889,10535656551412625,84359922128250860
%N Number of nX2 0..2 arrays with no more than floor(nX2/2) elements equal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order
%C Column 2 of A222853
%H R. H. Hardin, <a href="/A222849/b222849.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1
%e ..2..2....2..2....2..1....1..2....2..0....1..2....2..0....1..1....0..2....0..2
%e ..2..0....1..0....0..1....1..1....1..0....2..0....2..1....2..0....1..0....0..1
%K nonn
%O 1,2
%A _R. H. Hardin_ Mar 07 2013
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