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Search: id:A060353
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| A060353 |
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Primes of form n*3^n-1. |
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+0
2
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| 2, 17, 4373, 590489, 6973568801, 486306618362277152039, 407695153504015050412733, 9266726751303003316378520780678994459797093, 23560801709989209203195024431348154965368236005496270061701
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,11
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PROGRAM
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(PARI) { allocatemem(932245000); n=0; for (m=1, 1172, a=m*3^m - 1; if (isprime(a), write("b060353.txt", n++, " ", a)); ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 04 2009]
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CROSSREFS
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Cf. A060352.
Sequence in context: A060835 A122054 A092415 this_sequence A002814 A122207 A003819
Adjacent sequences: A060350 A060351 A060352 this_sequence A060354 A060355 A060356
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KEYWORD
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nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Mar 31 2001
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EXTENSIONS
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More terms from William Rex Marshall (w.r.marshall(AT)actrix.co.nz), Apr 01 2001
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