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A060353 Primes of form n*3^n-1. 2
2, 17, 4373, 590489, 6973568801, 486306618362277152039, 407695153504015050412733, 9266726751303003316378520780678994459797093, 23560801709989209203195024431348154965368236005496270061701 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Harry J. Smith, Table of n, a(n) for n=1,...,11

PROG

(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]

CROSSREFS

Cf. A060352.

Sequence in context: A060835 A122054 A092415 * A002814 A122207 A174305

Adjacent sequences:  A060350 A060351 A060352 * A060354 A060355 A060356

KEYWORD

nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Mar 31 2001

EXTENSIONS

More terms from William Rex Marshall (w.r.marshall(AT)actrix.co.nz), Apr 01 2001

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Last modified February 14 20:38 EST 2012. Contains 205663 sequences.