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A202742
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T(n,k)=Number of nXk 0..1 arrays with row sums equal and column sums unequal to adjacent columns
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13
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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
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OFFSET
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1,1
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COMMENTS
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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
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..110
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EXAMPLE
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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
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CROSSREFS
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Sequence in context: A334510 A211455 A214079 * A248771 A339446 A339166
Adjacent sequences: A202739 A202740 A202741 * A202743 A202744 A202745
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KEYWORD
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nonn,tabl
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AUTHOR
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R. H. Hardin Dec 23 2011
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STATUS
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approved
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