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%I #4 Mar 27 2013 03:51:09
%S 6,24,117,456,1962,7660,31897,125240,514300,2027832,8266707,32688296,
%T 132665572,525661108,2127110678,8440975288,34086061208,135418512296,
%U 546011521445,2171164829984,8744100796746,34795052216800,140006637363629
%N Number of 1X(n+1) 0..3 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 1 of A223751
%H R. H. Hardin, <a href="/A223752/b223752.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for n=3
%e ..0..2..1..2....1..3..0..3....1..1..3..3....0..3..3..2....1..3..1..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 27 2013
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