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A189161
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T(n,k)=Number of nXk binary arrays without the pattern 0 0 1 1 diagonally, vertically or horizontally
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9
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2, 4, 4, 8, 16, 8, 15, 64, 64, 15, 28, 225, 512, 225, 28, 52, 784, 3375, 3375, 784, 52, 96, 2704, 21952, 37976, 21952, 2704, 96, 177, 9216, 140608, 424401, 424401, 140608, 9216, 177, 326, 31329, 884736, 4597967, 8210464, 4597967, 884736, 31329, 326, 600
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OFFSET
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1,1
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COMMENTS
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Table starts
...2......4.........8..........15.............28...............52
...4.....16........64.........225............784.............2704
...8.....64.......512........3375..........21952...........140608
..15....225......3375.......37976.........424401..........4597967
..28....784.....21952......424401........8210464........151889331
..52...2704....140608.....4597967......151889331.......4708773306
..96...9216....884736....48460966.....2710884810.....139543984265
.177..31329...5545233...507947896....48083827685....4101554902927
.326.106276..34645976..5289780940...844714479714..118889716429242
.600.360000.216000000.54890361712.14772128520081.3425594682105277
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LINKS
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EXAMPLE
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Some solutions for 6X4
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..1..0..1..0....1..0..1..0....1..0..0..0....0..1..1..1....1..0..1..0
..1..0..1..0....1..0..1..0....0..1..0..1....0..0..1..0....0..0..0..0
..1..0..0..0....0..1..1..0....1..0..1..0....0..1..0..0....1..0..0..1
..0..0..1..0....0..0..1..0....0..0..0..0....0..0..1..0....0..1..0..0
..1..1..0..1....0..1..0..1....0..0..0..0....0..0..0..0....1..0..1..0
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CROSSREFS
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Column 2 is column 1 squared
Column 3 is column 1 cubed
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KEYWORD
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AUTHOR
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STATUS
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approved
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