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A068351
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Numbers n such that n*tau(n)>prime(3*n) where tau(n)=A000005(n).
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0
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720, 840, 900, 960, 1008, 1080, 1200, 1260, 1320, 1440, 1512, 1560, 1584, 1620, 1680, 1800, 1848, 1872, 1890, 1920, 1980, 2016, 2040, 2100, 2160, 2184, 2280, 2310, 2340, 2376, 2400, 2520, 2640, 2688, 2700, 2730, 2760, 2772, 2808, 2856, 2880, 2940
(list; graph; refs; listen; history; internal format)
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