%I #4 Mar 16 2013 06:15:02
%S 2,31,211,4065,23376,487176,2859044,61675900,371133369,8139180914,
%T 49841557459,1103204549801,6833901039820,152165504230294,
%U 950031309571622,21243203251932990,133380148664076565,2991998436727716610
%N Number of nX3 0..2 arrays with no more than floor(nX3/2) elements equal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order
%C Column 3 of A223149
%H R. H. Hardin, <a href="/A223145/b223145.txt">Table of n, a(n) for n = 1..157</a>
%e Some solutions for n=3
%e ..0..1..2....0..1..0....0..1..2....0..1..2....0..1..2....0..1..2....0..1..2
%e ..2..1..0....1..2..0....2..0..0....2..0..1....1..1..0....1..0..2....2..2..2
%e ..0..2..0....0..1..2....1..0..1....1..2..0....0..2..1....2..1..0....0..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 16 2013
|