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Search: id:A158439
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| A158439 |
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Numbers arising in Kane's conjecture on representing sets with sums of triangular numbers. |
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+0
1
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| 1, 5, 7, 9, 11, 13, 17, 19, 25, 29, 35, 49, 89
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Similar to Conway-Schneeberger 15 theorem. Kane, p.2: Conjecture 1.3. A sum of triangular numbers f represents all odd integers if and only if it represents the integers 1, 5, 7, 9, 11, 13, 17, 19, 25, 29, 35, 49, 89.
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LINKS
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Ben Kane, Representing Sets with Sums of Triangular Numbers, Mar 17, 2009.
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CROSSREFS
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Cf. A000217, A030050.
Sequence in context: A081001 A075025 A075394 this_sequence A124112 A049758 A064077
Adjacent sequences: A158436 A158437 A158438 this_sequence A158440 A158441 A158442
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KEYWORD
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nonn
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AUTHOR
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Jonathan Vos Post (jvospost3(AT)gmail.com), Mar 19 2009
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