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A181011
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T(n,k)=number of nXk binary matrices with rows and columns each in strictly increasing order as binary numbers and every 0 adjacent to a 1 and every 1 adjacent to a 0
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8
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0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 59, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 127, 127, 1, 0, 0, 0
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OFFSET
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1,41
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COMMENTS
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Table starts
.0.1.0.0.0..0...0.....0.......0........0..........0...........0.............0
.1.1.0.0.0..0...0.....0.......0........0..........0...........0.............0
.0.0.1.0.0..0...0.....0.......0........0..........0...........0.............0
.0.0.0.1.1..0...0.....0.......0........0..........0...........0.............0
.0.0.0.1.2..1...0.....0.......0........0..........0...........0.............0
.0.0.0.0.1..8..11.....6.......1........0..........0...........0.............0
.0.0.0.0.0.11..59...127.....168......144.........85..........38............10
.0.0.0.0.0..6.127...744....2483.....5729......10251.......14885.........17807
.0.0.0.0.0..1.168..2483...19644...104111.....425290.....1452733.......4279160
.0.0.0.0.0..0.144..5729..104111..1150827....9617529....66925648.....403935677
.0.0.0.0.0..0..85.10251..425290..9617529..158171825..2133903810...24963075674
.0.0.0.0.0..0..38.14885.1452733.66925648.2133903810.54785832985.1214165065307
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LINKS
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EXAMPLE
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All solutions for 5X5
..0..1..1..1..1....0..1..1..1..1
..1..0..0..0..0....1..0..0..0..0
..1..0..0..1..1....1..0..0..1..1
..1..0..1..0..1....1..0..1..0..0
..1..0..1..1..0....1..0..1..0..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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