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 A223074 T(n,k)=Number of nXk 0..2 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 3
 3, 0, 0, 0, 62, 0, 0, 306, 306, 0, 0, 2888, 7074, 2888, 0, 0, 17968, 207216, 207216, 17968, 0, 0, 139616, 4047876, 27452008, 4047876, 139616, 0, 0, 928600, 97159620, 1828765016, 1828765016, 97159620, 928600, 0, 0, 6820956, 1928081520 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts .3.......0..........0............0............0............0..............0 .0......62........306.........2888........17968.......139616.........928600 .0.....306.......7074.......207216......4047876.....97159620.....1928081520 .0....2888.....207216.....27452008...1828765016.170196118056.11838030123808 .0...17968....4047876...1828765016.346224860946 .0..139616...97159620.170196118056 .0..928600.1928081520 .0.6820956 LINKS R. H. Hardin, Table of n, a(n) for n = 1..49 EXAMPLE Some solutions for n=3 k=4 ..1..1..0..1....0..0..2..0....0..0..0..0....2..1..0..0....1..0..2..2 ..2..2..0..1....1..0..1..2....0..2..1..1....0..1..2..2....2..1..1..2 ..2..0..1..1....0..1..1..1....1..2..0..1....2..2..0..2....2..0..0..1 CROSSREFS Sequence in context: A222896 A057387 A109898 * A192732 A092573 A307801 Adjacent sequences: A223071 A223072 A223073 * A223075 A223076 A223077 KEYWORD nonn,tabl AUTHOR R. H. Hardin Mar 14 2013 STATUS approved

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Last modified September 7 08:00 EDT 2024. Contains 375729 sequences. (Running on oeis4.)