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%I #4 Mar 07 2013 11:02:05
%S 6,18,108,410,2460,11160,70818,346610,2213136,11587248,73844100,
%T 399763695,2535415632,14043080412,88488807432,497957337496,
%U 3117629380302,17742484266750,110507820665700,634061126810250,3931544430607680
%N Number of nX3 0..1 arrays with every row and column least squares fitting to a nonnegative slope straight line, with a single point array taken as having zero slope
%C Column 3 of A222862
%H R. H. Hardin, <a href="/A222857/b222857.txt">Table of n, a(n) for n = 1..37</a>
%e Some solutions for n=3
%e ..0..0..1....1..1..1....1..0..1....0..0..0....0..1..0....0..0..1....0..1..0
%e ..1..0..1....0..1..1....1..0..1....1..0..1....0..1..1....0..0..0....1..0..1
%e ..0..1..1....1..1..1....1..1..1....0..0..0....0..1..0....1..0..1....0..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 07 2013
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