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Search: id:A135875
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| A135875 |
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Multiply the positive divisors n in order (starting at 1). a(n) is the largest such partial product that is <= n. |
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+0
2
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| 1, 2, 3, 2, 5, 6, 7, 8, 3, 10, 11, 6, 13, 14, 15, 8
(list; graph; listen)
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OFFSET
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1,2
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LINKS
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Leroy Quet, Home Page (listed in lieu of email address)
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EXAMPLE
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The positive divisors of 12 are 1,2,3,4,6,12. Checking the partial products: 1=1, 1*2=2, 1*2*3=6, 1*2*3*4=24, 1*2*3*4*6 = 144, 1*2*3*4*6*12 = 1728. 6 is the largest such product that is <= 12. So a(12) = 6.
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CROSSREFS
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Cf. A135874.
Sequence in context: A076685 A110500 A161871 this_sequence A097448 A133684 A025473
Adjacent sequences: A135872 A135873 A135874 this_sequence A135876 A135877 A135878
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KEYWORD
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more,nonn
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AUTHOR
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Leroy Quet Dec 03 2007
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