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%I #3 Mar 19 2013 09:56:52
%S 18,324,12240,195228,4750550,78948936,1652577147,27860306868,
%T 553833204570,9464178634560
%N Number of 3X(n+1) 0..2 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope
%C Row 3 of A223309
%e Some solutions for n=3
%e ..1..0..2..2....0..1..0..2....0..1..2..1....0..0..0..1....0..2..0..1
%e ..0..2..2..2....1..0..2..1....1..1..1..2....1..0..1..2....1..2..2..2
%e ..2..0..2..2....1..2..2..2....0..2..2..1....1..1..2..1....1..2..0..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 19 2013