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A088726
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Smallest numbers having exactly n divisors d>1 such that also d+1 is a divisor.
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9
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1, 6, 12, 72, 60, 180, 360, 420, 840, 1260, 3780, 2520, 5040, 13860, 36960, 41580, 27720, 55440, 83160, 166320, 277200, 491400, 471240, 360360, 1113840, 720720, 1081080, 3341520, 2162160, 2827440, 5405400, 4324320, 12972960, 6126120
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OFFSET
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0,2
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COMMENTS
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LINKS
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FORMULA
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a(n) = 2*A130317(n+1) for n>0. - Chandler
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CROSSREFS
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KEYWORD
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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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