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A185845
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T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace
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10
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0, 171, 171, 405, 1773, 405, 3249, 20097, 20097, 3249, 12609, 222003, 424197, 222003, 12609, 72225, 2506851, 10670517, 10670517, 2506851, 72225, 332937, 28276065, 254648349, 560733777, 254648349, 28276065, 332937, 1731321, 319126401
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OFFSET
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1,2
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COMMENTS
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Table starts
........0..........171..............405...............3249...............12609
......171.........1773............20097.............222003.............2506851
......405........20097...........424197...........10670517...........254648349
.....3249.......222003.........10670517..........560733777.........29306445165
....12609......2506851........254648349........29306445165.......3293066139075
....72225.....28276065.......6182861913......1532963751183.....373447226493477
...332937....319126401.....149296412943.....80217651167325...42234121752791535
..1731321...3601102725....3610924080057...4197053176231149.4780252449901079883
..8410473..40637462859...87290961055317.219601118427318765
.42400017.458593005339.2110537794502179
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LINKS
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EXAMPLE
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Some solutions for 4X3
..1..1..2....0..0..2....1..0..0....0..0..1....2..0..1....2..2..2....0..2..0
..1..2..2....1..2..2....0..0..2....1..1..2....0..0..2....2..2..2....1..2..2
..1..1..1....0..1..0....1..1..2....0..0..1....0..0..2....0..1..1....0..1..2
..1..1..1....1..2..1....1..0..0....2..2..2....0..0..2....0..1..0....2..2..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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