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A114702
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Number of binary vectors (x_1,...x_(n-1)) satisfying Sum_{i=1..n-1} (-1)^i*i*x_i = 0 (mod n).
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0
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1, 1, 2, 3, 6, 9, 16, 28, 52, 93, 172, 315, 586, 1091, 2048, 3855, 7286, 13797, 26216, 49929, 95326, 182361, 349536, 671088, 1290556, 2485504, 4793492, 9256395, 17895736, 34636833, 67108864, 130150493, 252645136, 490853403, 954437292
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OFFSET
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2,3
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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