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%I #3 Mar 10 2013 10:29:28
%S 20,20,400,400,8000,8000,323600,215892,14843920,9734400,1138729280,
%T 631004724,117308595520,59768363024,14742894291200,7399937947392,
%U 2167430898315280,1074761911462928,361218009407664960
%N Number of nX7 0..1 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 7 of A222959
%e Some solutions for n=4
%e ..1..1..1..0..1..1..1....0..0..1..0..1..0..0....0..1..1..1..0..0..1
%e ..0..0..1..1..1..0..0....0..1..1..0..0..0..1....0..0..1..1..1..0..0
%e ..0..0..1..1..1..0..0....0..1..1..0..0..0..1....0..0..1..1..1..0..0
%e ..1..1..1..0..1..1..1....0..0..1..0..1..0..0....0..1..1..1..0..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 10 2013
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