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A222973 Number of 5 X (n+1) 0..1 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

%S 1,20,1884,37680,1492176,26342820,810566001,14317221700,374392387808,

%T 6675906932160,162189676788683,2927729818922000,67871228115916800,

%U 1241683361279242560

%N Number of 5 X (n+1) 0..1 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.

%e Some solutions for n=3:

%e 0 0 1 0 0 0 0 1 0 0 1 0 0 0 1 0 0 0 1 1

%e 0 1 0 1 0 0 0 1 0 0 1 0 0 0 1 0 0 0 1 0

%e 0 1 0 1 0 0 1 0 0 1 1 1 0 0 1 1 0 0 1 0

%e 0 0 1 1 0 1 0 1 0 1 1 1 1 0 1 1 0 0 1 1

%e 0 1 1 1 0 1 1 1 0 1 1 1 0 0 1 1 1 0 1 1

%Y Row 5 of A222969.

%K nonn,more

%O 1,2

%A _R. H. Hardin_, Mar 10 2013

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Last modified September 24 23:43 EDT 2022. Contains 356951 sequences. (Running on oeis4.)