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Search: id:A077637
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| A077637 |
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Largest term in periodic part of continued fraction expansion of square root of A051451[n], i.e. Sqrt[LCM(1,..,x)] where x is a prime power from A000961. |
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+0
1
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| 1, 2, 4, 6, 14, 40, 56, 100, 332, 1200, 1696, 7000, 30514, 146344, 327236, 566792, 3052270, 16994324, 24033604, 146190716, 936077324, 6138269514, 42081855636, 111338124722, 810553782854, 6225981742592, 48626471887292, 68768216033362
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OFFSET
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1,2
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EXAMPLE
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For A051451(10)=360360, the period is {3,2,1,132,1,2,3,1200} with 1200 as largest entry, so a[10]=1200.
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MATHEMATICA
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t={A051451(n)} Table[Max[Last[ContinuedFraction[Sqrt[Part[t, u]]]]], {u, 1, 24}]
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CROSSREFS
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Cf. A000961, A051451, A077636.
Sequence in context: A058059 A053686 A080198 this_sequence A077639 A039791 A127679
Adjacent sequences: A077634 A077635 A077636 this_sequence A077638 A077639 A077640
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Nov 13 2002
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EXTENSIONS
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a(25)-a(28) from Ray Chandler (rayjchandler(AT)sbcglobal.net), Jan 16 2009
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