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Number of nX1 0..3 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
1

%I #5 Mar 16 2013 20:48:48

%S 4,10,40,139,568,2134,8724,33639,136904,534276,2166472,8510509,

%T 34420568,135769884,548080716,2167856618,8738893896,34633415528,

%U 139459394648,553500106331,2226881681120,8848085247670,35573691960864,141468339347027

%N Number of nX1 0..3 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 1 of A223165

%H R. H. Hardin, <a href="/A223160/b223160.txt">Table of n, a(n) for n = 1..195</a>

%e Some solutions for n=3

%e ..1....0....0....2....0....0....0....2....2....2....1....0....1....1....0....1

%e ..2....2....1....2....1....2....3....3....1....1....0....2....1....1....3....1

%e ..1....2....1....3....3....3....1....3....2....3....2....1....3....2....0....1

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 16 2013