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Search: id:A007511
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| A007511 |
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a(n) is the smallest number greater than a(n-1) that is expressible as the sum of two squares in more ways than a(n-1). |
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+0
3
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| 2, 50, 325, 1105, 5525, 27625, 71825, 138125, 160225, 801125, 2082925, 4005625, 5928325, 29641625, 77068225, 148208125, 243061325, 1215306625
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Sequence provides the locations of records in A025426 (nonzero squares), rather than in A000161 (definition of squares includes zeros). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 06 2007
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CROSSREFS
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Cf. A048610.
Adjacent sequences: A007508 A007509 A007510 this_sequence A007512 A007513 A007514
Sequence in context: A076267 A050800 A048610 this_sequence A016032 A080299 A083939
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KEYWORD
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nonn,more
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AUTHOR
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Gabriel Cunningham (gcasey(AT)mit.edu), Feb 29 2004
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EXTENSIONS
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a(12)-a(18) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Sep 03 2008
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