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%I #5 Mar 10 2013 05:16:50
%S 0,212,2256,36302,455904,6471572,84040156,1156716696,15178933676,
%T 206025068636,2712435820392,36611998287306,483144415956072,
%U 6500119089674696,85910716717515264,1153267214849914148
%N Number of nX2 0..3 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 A222953
%H R. H. Hardin, <a href="/A222950/b222950.txt">Table of n, a(n) for n = 1..24</a>
%e Some solutions for n=3
%e ..3..3....2..2....2..1....2..3....3..1....1..1....2..1....1..0....2..0....3..0
%e ..2..1....1..2....3..3....3..1....3..3....1..2....2..2....0..0....2..2....3..1
%e ..0..3....1..3....1..2....1..0....0..1....1..3....2..0....0..2....2..1....3..3
%K nonn
%O 1,2
%A _R. H. Hardin_ Mar 10 2013
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