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A223744 Number of nX3 0..2 arrays with every row and column least squares fitting to a zero slope straight line, with a single point array taken as having zero slope 1
9, 9, 81, 81, 1521, 1849, 38025, 59049, 1461681, 2368521, 64112049, 111450249, 3167100729, 5714604025, 167633743761, 311494585689, 9370449532161, 17792173577929, 545559866271729, 1054096283988801, 32828183598395025 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A223747
LINKS
EXAMPLE
Some solutions for n=6
..1..2..1....2..2..2....1..2..1....1..2..1....1..1..1....2..1..2....0..2..0
..0..2..0....2..1..2....1..0..1....1..0..1....1..1..1....0..2..0....2..2..2
..1..1..1....0..0..0....2..0..2....1..1..1....1..2..1....0..0..0....0..2..0
..1..1..1....0..2..0....0..0..0....1..1..1....1..0..1....0..0..0....0..2..0
..0..2..0....2..2..2....0..0..0....1..0..1....1..0..1....0..2..0....2..2..2
..1..2..1....2..1..2....2..2..2....1..2..1....1..2..1....2..1..2....0..2..0
CROSSREFS
Sequence in context: A239225 A165830 A152018 * A112296 A038299 A323210
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 27 2013
STATUS
approved

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Last modified July 20 09:34 EDT 2024. Contains 374445 sequences. (Running on oeis4.)