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 A223154 T(n,k)=Number of nXk 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 5
 2, 0, 0, 0, 10, 0, 0, 12, 12, 0, 0, 66, 96, 66, 0, 0, 108, 788, 788, 108, 0, 0, 402, 3872, 28690, 3872, 402, 0, 0, 876, 24092, 327840, 327840, 24092, 876, 0, 0, 2754, 114824, 6576382, 7603472, 6576382, 114824, 2754, 0, 0, 6348, 665056, 79156940, 320886256 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts .2.....0........0...........0............0.............0.............0 .0....10.......12..........66..........108...........402...........876 .0....12.......96.........788.........3872.........24092........114824 .0....66......788.......28690.......327840.......6576382......79156940 .0...108.....3872......327840......7603472.....320886256....7310971904 .0...402....24092.....6576382....320886256...34229033906.1674989985204 .0...876...114824....79156940...7310971904.1674989985204 .0..2754...665056..1344714010.253170988284 .0..6348..3211640.16864279960 .0.18122.17925968 .0.43660 LINKS R. H. Hardin, Table of n, a(n) for n = 1..83 EXAMPLE Some solutions for n=3 k=4 ..0..1..1..0....1..1..1..0....0..0..0..0....1..0..1..0....1..1..0..0 ..1..1..0..0....1..0..0..1....0..1..0..1....1..1..0..1....0..1..1..0 ..0..0..1..1....0..1..0..0....1..0..1..0....1..1..1..1....1..0..1..0 CROSSREFS Sequence in context: A169775 A329039 A181502 * A063698 A287466 A288014 Adjacent sequences:  A223151 A223152 A223153 * A223155 A223156 A223157 KEYWORD nonn,tabl AUTHOR R. H. Hardin Mar 16 2013 STATUS approved

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Last modified April 3 01:23 EDT 2020. Contains 333195 sequences. (Running on oeis4.)