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A223160 Number of nX1 0..3 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 1
4, 10, 40, 139, 568, 2134, 8724, 33639, 136904, 534276, 2166472, 8510509, 34420568, 135769884, 548080716, 2167856618, 8738893896, 34633415528, 139459394648, 553500106331, 2226881681120, 8848085247670, 35573691960864, 141468339347027 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 1 of A223165
LINKS
EXAMPLE
Some solutions for n=3
..1....0....0....2....0....0....0....2....2....2....1....0....1....1....0....1
..2....2....1....2....1....2....3....3....1....1....0....2....1....1....3....1
..1....2....1....3....3....3....1....3....2....3....2....1....3....2....0....1
CROSSREFS
Sequence in context: A149210 A149211 A149212 * A263551 A007173 A222367
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 16 2013
STATUS
approved

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Last modified March 28 13:19 EDT 2024. Contains 371254 sequences. (Running on oeis4.)