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A184207
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T(n,k)=Number of (n+1)X(k+1) binary arrays with no 2X2 subblock containing fewer than two 1s
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8
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11, 35, 35, 108, 195, 108, 337, 1028, 1028, 337, 1049, 5529, 8969, 5529, 1049, 3268, 29593, 80812, 80812, 29593, 3268, 10179, 158648, 721939, 1232795, 721939, 158648, 10179, 31707, 850155, 6468501, 18588589, 18588589, 6468501, 850155, 31707, 98764
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OFFSET
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1,1
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COMMENTS
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Table starts
.....11........35.........108............337.............1049
.....35.......195........1028...........5529............29593
....108......1028........8969..........80812...........721939
....337......5529.......80812........1232795.........18588589
...1049.....29593......721939.......18588589........471487297
...3268....158648.....6468501......281420718......12021784217
..10179....850155....57909336.....4255603649.....306055720601
..31707...4556371...518574936....64377477751....7795714368919
..98764..24418812..4643443850...973770904216..198537902186962
.307641.130868377.41579555979.14729764992131.5056537169718019
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LINKS
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EXAMPLE
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Some solutions for 4X3
..1..1..1....0..1..0....1..1..1....0..1..1....1..0..1....0..1..0....0..1..0
..0..1..0....1..1..1....0..1..1....0..1..1....1..1..0....0..1..0....1..1..0
..0..1..0....0..1..1....0..1..0....1..1..0....0..1..1....0..1..1....0..1..0
..1..1..1....0..1..0....0..1..1....1..1..1....1..1..0....0..1..0....0..1..1
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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