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A183797
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1/4 the number of (n+1)X5 0..3 arrays with no 2X2 subblock having sum 6
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1
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125050, 62693809, 31282399226, 15624102535570, 7801858146547239, 3896032216049375462, 1945547111978093787994, 971543622805762575749749, 485157231780036807933863898, 242271766602122184381901757482
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for 3X5
..0..0..0..0..0....0..0..0..2..1....0..0..0..0..2....0..0..0..3..2
..0..0..0..0..2....0..0..0..3..2....0..0..0..3..2....0..0..0..2..0
..2..0..1..0..1....3..2..0..1..1....1..0..2..2..2....3..2..0..3..2
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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