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A186063
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T(n,k)=Number of (n+2)X(k+2) binary arrays with each 3X3 subblock having a positive determinant
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10
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87, 267, 267, 792, 1217, 792, 2328, 5050, 5050, 2328, 6915, 18376, 26868, 18376, 6915, 20475, 77987, 128303, 128303, 77987, 20475, 60588, 319247, 743667, 836891, 743667, 319247, 60588, 179442, 1206478, 3894282, 5877960, 5877960, 3894282, 1206478
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OFFSET
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1,1
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COMMENTS
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Table starts
......87......267........792........2328..........6915...........20475
.....267.....1217.......5050.......18376.........77987..........319247
.....792.....5050......26868......128303........743667.........3894282
....2328....18376.....128303......836891.......5877960........40407070
....6915....77987.....743667.....5877960......58408337.......545528022
...20475...319247....3894282....40407070.....545528022......6541274560
...60588..1206478...19416799...275207345....4584860256.....72905263923
..179442..5004260..109272739..1895454019...44097747372....948612706087
..531306.20446314..574576902.13007169394..410464949409..11378633159391
.1573062.78510506.2902540637.89136850704.3514156302617.128977165646242
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..263
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EXAMPLE
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Some solutions for 5X4
..0..1..0..1....1..0..0..1....1..1..0..0....1..0..0..1....1..1..1..1
..0..1..1..0....0..1..0..1....0..1..1..0....1..1..0..1....1..0..1..1
..1..0..1..0....1..0..1..1....1..0..0..1....0..1..1..0....1..1..0..1
..1..0..0..1....1..0..0..1....1..1..0..0....0..0..1..1....0..1..0..0
..0..1..0..0....1..1..1..1....1..1..1..0....1..1..0..1....0..0..1..1
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CROSSREFS
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Sequence in context: A020314 A008899 A008879 * A186055 A243580 A219723
Adjacent sequences: A186060 A186061 A186062 * A186064 A186065 A186066
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KEYWORD
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nonn,tabl
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AUTHOR
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R. H. Hardin Feb 11 2011
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STATUS
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approved
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