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%I #5 Mar 14 2013 09:49:12
%S 0,62,306,2888,17968,139616,928600,6820956,46372206,331873366,
%T 2268321228,16088886806,110434690210,779564502166,5364206977288,
%U 37736564395518,260073138117054,1825634354645876,12597507479843608,88290795179492360
%N Number of nX2 0..2 arrays with no adjacent rows or columns having the same least squares slope fit to a straight line, with a single point array taken as having zero slope
%C Column 2 of A223074
%H R. H. Hardin, <a href="/A223072/b223072.txt">Table of n, a(n) for n = 1..33</a>
%e Some solutions for n=3
%e ..0..1....2..1....2..0....0..2....0..2....1..0....2..2....0..2....1..1....1..1
%e ..2..2....0..2....0..2....1..2....0..0....2..0....2..0....1..2....1..2....2..0
%e ..2..1....2..2....0..1....1..1....0..1....0..1....2..1....1..0....2..1....0..1
%K nonn
%O 1,2
%A _R. H. Hardin_ Mar 14 2013
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