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A223749 Number of nX4 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 0

%I #3 Mar 27 2013 03:49:24

%S 117,2826,330642,21965901,2810374281,252313355237,32063498387856,

%T 3229688051024065,404471979822899781

%N Number of nX4 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 Column 3 of A223751

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 27 2013

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Last modified September 15 12:32 EDT 2024. Contains 375938 sequences. (Running on oeis4.)