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A183882
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Number of arrangements of n+2 numbers in 0..7 with each number being the sum mod 8 of two others
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1
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4, 35, 1986, 52827, 885690, 10540371, 104446714, 938543435, 7996169226, 66170227587, 538977760842, 4352945018619, 34996920361210, 280699272183347, 2248598404709850, 18001206351037995, 144060870372238122
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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 n=2
..6....6....2....2....0....2....6....4....4....4....6....4....6....6....4....2
..6....2....6....6....4....4....6....4....0....2....4....0....2....2....6....6
..4....2....4....6....0....6....2....0....4....2....2....4....6....4....6....2
..2....4....2....4....4....2....4....0....0....6....6....4....4....2....2....4
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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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