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Search: id:A001589
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| 1, 5, 32, 145, 512, 1649, 5392, 18785, 69632, 268705, 1058576, 4208945, 16797952, 67137425, 268473872, 1073792449, 4295032832, 17179952705, 68719581712, 274878037265, 1099511787776, 4398046705585, 17592186278672
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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a(n) is prime iff n=1. [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 24 2009]
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REFERENCES
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Notes, Mathematical Intelligencer 2(2) (1980), p.66. [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 24 2009]
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MAPLE
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seq(seq(k^n+n^k, k=4..4), n=0..22); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jun 29 2007
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CROSSREFS
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Sequence in context: A101966 A089574 A077207 this_sequence A006214 A157704 A015541
Adjacent sequences: A001586 A001587 A001588 this_sequence A001590 A001591 A001592
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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