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A223150 Number of nX2 0..1 arrays with no adjacent rows or columns having the same least squares slope fit to a straight line, with a single point array taken as having zero slope 1
0, 10, 12, 66, 108, 402, 876, 2754, 6348, 18122, 43660, 119970, 293196, 786930, 1963628, 5195330, 13008844, 34140458, 85957676, 224448290, 567203884, 1475618386, 3735881132, 9694028482, 24581846668, 63682969994, 161696209356 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 2 of A223154
LINKS
EXAMPLE
Some solutions for n=3
..0..0....0..0....0..1....1..0....0..1....1..1....1..0....0..1....0..1....1..1
..0..1....1..0....1..1....0..0....1..0....1..0....0..1....1..0....0..0....0..1
..1..0....0..1....1..0....0..1....0..0....0..1....0..0....1..1....1..0....1..0
CROSSREFS
Sequence in context: A219917 A257039 A337076 * A333258 A370976 A241252
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 16 2013
STATUS
approved

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Last modified May 27 12:58 EDT 2024. Contains 372859 sequences. (Running on oeis4.)