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Search: id:A006598
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| A006598 |
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Numbers n such that 2^{2n+1} - 2^{n+1} + 1 is a prime.
(Formerly M3098)
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+0
2
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| 1, 3, 23, 36, 39, 56, 75, 83, 119, 120, 176, 183, 228, 683, 1520
(list; graph; listen)
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OFFSET
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1,2
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REFERENCES
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J. Brillhart et al., Factorizations of b^n +- 1. Contemporary Mathematics, Vol. 22, Amer. Math. Soc., Providence, RI, 2nd edition, 1985; and later supplements.
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LINKS
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J. Brillhart et al., Factorizations of b^n +- 1, Contemporary Mathematics, Vol. 22, Amer. Math. Soc., Providence, RI, 3rd edition, 2002.
S. S. Wagstaff, Jr., The Cunningham Project
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MATHEMATICA
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Do[ If[ PrimeQ[ 2^(2n + 1) - 2^(n + 1) + 1 ], Print[n] ], {n, 1, 4000} ]
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CROSSREFS
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Cf. A007670.
Sequence in context: A098946 A058302 A133213 this_sequence A106892 A116893 A106066
Adjacent sequences: A006595 A006596 A006597 this_sequence A006599 A006600 A006601
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KEYWORD
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nonn
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AUTHOR
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njas, Robert G. Wilson v (rgwv(AT)rgwv.com)
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