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Search: id:A132493
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| A132493 |
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Egyptian fraction representation for the cube root of 17. |
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+0
2
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| 2, 15, 217, 150851, 347089704930, 132276284445362589279995, 18180998947336210738321894480328718385391687409, 33179846944861562590586310335599767462326800312546339290101284661057276582971143\ 3817898477581
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Fractional part of 17^(1/3) = 1/2 + 1/15 + 1/217 + ... Generated with Perl's Math::BigFloat module. Number of digits in terms is as follows: 1, 2, 3, 6, 12, 24, 47, 93, 186, 372, ...
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EXAMPLE
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Cube root of 17 = 2.5712815906582353554531872087397261164279016324547...
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MATHEMATICA
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lst={}; k=N[17^(1/3), 1000]; Do[s=Ceiling[1/k]; AppendTo[lst, s]; k=k-1/s, {n, 12}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 02 2009]
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CROSSREFS
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Sequence in context: A020565 A099718 A143881 this_sequence A135860 A087962 A140054
Adjacent sequences: A132490 A132491 A132492 this_sequence A132494 A132495 A132496
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KEYWORD
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frac,nonn,new
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AUTHOR
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Jonathan Wellons (wellons(AT)gmail.com), Aug 23 2007
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