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Search: id:A104357
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| 0, 1, 5, 11, 59, 179, 1259, 2519, 7559, 37799, 415799, 1247399, 16216199, 113513399, 567566999, 1135133999, 19297277999, 57891833999, 1099944845999, 5499724229999, 38498069609999, 423478765709999, 9740011611329999
(list; graph; listen)
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OFFSET
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1,3
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LINKS
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R. Zumkeller, Products of largest prime factors of numbers <= n
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FORMULA
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a(n) = (a(n-1) + 1) * A006530(n) - 1 for n>1, a(1) = 0;
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CROSSREFS
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Cf. A104358, A104359, A104360, A104361, A104362, A104363, A104365, A033312, A057588.
Sequence in context: A106257 A104358 A104359 this_sequence A104364 A057824 A057822
Adjacent sequences: A104354 A104355 A104356 this_sequence A104358 A104359 A104360
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KEYWORD
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nonn
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AUTHOR
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Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 06 2005
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