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Search: id:A006034
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| A006034 |
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Numbers n such that (17^n-1)/16 is prime.
(Formerly M2415)
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+0
15
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OFFSET
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1,1
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COMMENT
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No others for any n less than 8447. - Julien Peter Benney (jpbenney(AT)ftml.net), Aug 15 2004
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
H. Dubner, Generalized repunit primes, Math. Comp., 61 (1993), 927-930.
Ribenboim, Paulo; "The Book Of Prime Number Records"; published 1989 by Springer-Verlag; pages 350-354.
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LINKS
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H. Lifchitz, Mersenne and Fermat primes field
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MATHEMATICA
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lst={}; Do[If[PrimeQ[(17^n-1)/16], Print[n]; AppendTo[lst, n]], {n, 10^5}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Aug 21 2008]
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CROSSREFS
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Sequence in context: A061245 A137355 A147143 this_sequence A083840 A088051 A159471
Adjacent sequences: A006031 A006032 A006033 this_sequence A006035 A006036 A006037
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KEYWORD
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hard,nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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