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 A222855 Number of nX1 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 2
 2, 3, 6, 10, 20, 36, 74, 137, 282, 536, 1100, 2117, 4332, 8406, 17144, 33464, 68058, 133398, 270700, 532230, 1078080, 2124714, 4297434, 8485470, 17141764, 33898436, 68409684, 135450295, 273114928, 541320762, 1090693986, 2163654766, 4356757738 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 1 of A222862 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE All solutions for n=3 ..0....0....1....1....0....0 ..0....1....0....1....0....1 ..1....0....1....1....0....1 CROSSREFS Sequence in context: A005418 A002215 A007562 * A171682 A066062 A008929 Adjacent sequences:  A222852 A222853 A222854 * A222856 A222857 A222858 KEYWORD nonn AUTHOR R. H. Hardin Mar 07 2013 STATUS approved

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Last modified January 19 09:35 EST 2019. Contains 319306 sequences. (Running on oeis4.)