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Search: id:A018889
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| A018889 |
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Shortest representation as sum of positive cubes requires exactly 8 cubes. |
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+0
8
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| 15, 22, 50, 114, 167, 175, 186, 212, 231, 238, 303, 364, 420, 428, 454
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Note that 167 is the unique prime in this sequence, as Wieferich proved. - Jonathan Vos Post (jvospost3(AT)gmail.com), Sep 23 2006
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REFERENCES
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J. Bohman and C.-E. Froberg, Numerical investigation of Waring's problem for cubes, Nordisk Tidskr. Informationsbehandling (BIT) 21 (1981), 118-122.
K. S. McCurley, An effective seven-cube theorem, J. Number Theory, 19 (1984), 176-183.
Joe Roberts, Lure of the Integers, entry 239.
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LINKS
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Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
Index entries for sequences related to sums of cubes
G. L. Honaker, Jr. and Chris Caldwell, et al., A Prime Curios Page.
Eric Weisstein, et al., Waring's Problem
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CROSSREFS
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Cf. A018888.
Adjacent sequences: A018886 A018887 A018888 this_sequence A018890 A018891 A018892
Sequence in context: A006615 A114867 A109288 this_sequence A065728 A166665 A014312
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KEYWORD
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nonn,fini,full,nice
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AUTHOR
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Anon
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EXTENSIONS
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Corrected by Arlin Anderson (starship1(AT)gmail.com). Additional comments from Jud McCranie (j.mccranie(AT)comcast.net).
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