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 A202742 T(n,k)=Number of nXk 0..1 arrays with row sums equal and column sums unequal to adjacent columns 13
 2, 2, 2, 2, 2, 2, 2, 6, 8, 2, 2, 22, 38, 10, 2, 2, 54, 140, 86, 32, 2, 2, 102, 638, 838, 282, 44, 2, 2, 214, 3032, 6870, 5092, 1074, 128, 2, 2, 582, 14258, 62398, 75302, 29680, 2802, 186, 2, 2, 1590, 70136, 613950, 1375912, 827502, 183220, 8694, 512, 2, 2, 3814 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts .2...2.....2........2...........2............2.............2.............2 .2...2.....6.......22..........54..........102...........214...........582 .2...8....38......140.........638.........3032.........14258.........70136 .2..10....86......838........6870........62398........613950.......6018166 .2..32...282.....5092.......75302......1375912......24620522.....472929952 .2..44..1074....29680......827502.....27842760.....967878370...35772388788 .2.128..2802...183220.....8870150....578826040...37121438930.2639009446600 .2.186..8694..1061814....93402390..11600238174.1401569558590 .2.512.30170..6630116...969837470.239443637912 .2.772.82286.39048472.10133577294 LINKS R. H. Hardin, Table of n, a(n) for n = 1..110 EXAMPLE Some solutions for n=5 k=3 ..1..0..1....1..1..0....0..1..0....1..0..0....0..0..1....1..0..1....1..0..0 ..1..1..0....1..0..1....0..1..0....0..0..1....0..0..1....1..0..1....1..0..0 ..1..1..0....1..1..0....1..0..0....1..0..0....0..0..1....1..1..0....0..1..0 ..1..0..1....1..0..1....0..1..0....1..0..0....0..1..0....1..0..1....1..0..0 ..1..1..0....1..0..1....0..1..0....0..0..1....0..0..1....0..1..1....0..1..0 CROSSREFS Sequence in context: A334510 A211455 A214079 * A248771 A339446 A339166 Adjacent sequences: A202739 A202740 A202741 * A202743 A202744 A202745 KEYWORD nonn,tabl AUTHOR R. H. Hardin Dec 23 2011 STATUS approved

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Last modified August 15 09:07 EDT 2024. Contains 375173 sequences. (Running on oeis4.)