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A222861
Number of nX7 0..1 arrays with every row and column least squares fitting to a nonnegative slope straight line, with a single point array taken as having zero slope
0
74, 957, 70818, 1672630, 123774620, 4591340316, 391515458264, 17450875607453, 1511308709957178, 79588923349819304, 6846350333965041900
OFFSET
1,1
COMMENTS
Column 7 of A222862
EXAMPLE
Some solutions for n=3
..0..0..1..1..0..1..0....0..1..0..0..0..1..0....1..0..0..0..0..1..1
..0..0..0..0..0..1..0....1..0..1..1..1..0..1....1..0..0..0..0..1..1
..1..0..1..1..1..1..1....0..1..1..0..1..1..1....1..1..0..1..0..1..1
CROSSREFS
Sequence in context: A186124 A204353 A300487 * A242146 A007033 A277941
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 07 2013
STATUS
approved