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A222845 Number of (n+1)X4 0..2 arrays with every row and column least squares fitting to a positive slope straight line.

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%I A222845 #5 Jul 23 2025 03:08:39
%S A222845 16,576,67986,2088576,121707070,3904508304,179900642006,5870222299368
%N A222845 Number of (n+1)X4 0..2 arrays with every row and column least squares fitting to a positive slope straight line.
%C A222845 Column 3 of A222847
%e A222845 Some solutions for n=3
%e A222845 ..0..1..1..1....0..0..1..1....0..0..1..1....0..0..2..0....0..1..1..1
%e A222845 ..1..0..2..2....0..2..1..1....0..0..2..2....2..0..1..2....1..1..2..1
%e A222845 ..1..0..1..1....0..2..1..2....0..0..2..2....0..2..2..2....0..2..1..2
%e A222845 ..1..2..2..2....1..1..2..2....1..2..2..2....1..2..2..2....1..2..2..2
%K A222845 nonn
%O A222845 1,1
%A A222845 _R. H. Hardin_ Mar 07 2013

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