%I #5 Mar 27 2013 03:22:56
%S 3,3,9,9,39,43,195,243,1209,1539,8007,10557,56277,75595,409431,558117,
%T 3061119,4218077,23357223,32466849,181185495,253624579,1424453499,
%U 2005655781,11325017397,16024596491,90896159565,129159081787
%N Number of nX1 0..2 arrays with every row and column least squares fitting to a zero slope straight line, with a single point array taken as having zero slope
%C Column 1 of A223747
%H R. H. Hardin, <a href="/A223743/b223743.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=6
%e ..2....0....1....1....2....0....2....2....1....0....2....0....1....1....1....0
%e ..1....1....1....1....1....1....2....0....0....2....1....2....2....0....2....1
%e ..0....2....0....2....0....2....0....1....2....2....1....1....1....2....2....1
%e ..0....2....2....0....2....0....0....1....1....2....1....2....2....2....0....1
%e ..1....1....2....0....2....0....2....0....2....2....1....0....0....0....1....1
%e ..2....0....0....2....1....1....2....2....0....0....2....1....2....1....2....0
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 27 2013
