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A223151 Number of nX3 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, 12, 96, 788, 3872, 24092, 114824, 665056, 3211640, 17925968, 87559240, 477991060, 2355798592, 12678054948, 62875715760, 335152364948, 1670657735304, 8843353567888, 44252748071720, 233037529994720, 1169694173234480 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 3 of A223154
LINKS
EXAMPLE
Some solutions for n=3
..1..1..0....1..0..0....0..1..1....1..1..1....0..1..0....1..1..1....0..1..1
..0..1..1....0..0..0....0..0..0....0..1..1....1..0..0....1..1..0....1..0..0
..1..0..1....1..1..0....0..0..1....0..1..0....0..0..0....1..0..1....1..0..1
CROSSREFS
Sequence in context: A038845 A204623 A270568 * A155620 A219438 A219139
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 16 2013
STATUS
approved

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Last modified May 29 14:43 EDT 2024. Contains 372952 sequences. (Running on oeis4.)