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A222780 Number of (n+3)X4 0..1 arrays with every row and column least squares fitting to a positive slope straight line 0

%I #4 Mar 05 2013 13:15:31

%S 6,36,696,3960,44092,245952,2148348,11909916,92914316,516123540,

%T 3754783282,20944422720,145858066580,819115053456,5532833258412,

%U 31237280045460,206640812099598,1173206191661712

%N Number of (n+3)X4 0..1 arrays with every row and column least squares fitting to a positive slope straight line

%C Column 1 of A222784

%e Some solutions for n=2

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 05 2013

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Last modified April 23 06:04 EDT 2024. Contains 371906 sequences. (Running on oeis4.)