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A179214
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Product of squarefree numbers between n and 2*n (inclusive).
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6
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2, 6, 90, 210, 2100, 4620, 140140, 300300, 5105100, 96996900, 4481256780, 9369900540, 243617414040, 18739801080, 1164544781400, 2406725881560, 2700346439110320, 5559536786403600, 7816708721683461600
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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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FORMULA
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a(n) = PROD(k^A008966(k): n <= k <= 2*n).
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EXAMPLE
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a(10) = 10*11*13*14*15*17*19 = 96996900;
a(11) = 11*13*14*15*17*19*21*22 = 4481256780;
a(12) = 13*14*15*17*19*21*22*23 = 9369900540.
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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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