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A133982 Numbers n such that 11^n - 2 is prime. 2
4, 6, 22420 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Corresponding primes are in A133858. 11^22420-2 is a 23349-digit probable prime found with PrimeForm.

CROSSREFS

Cf. A133858, A130652.

Sequence in context: A054264 A077305 A146294 * A069179 A058377 A023961

Adjacent sequences:  A133979 A133980 A133981 * A133983 A133984 A133985

KEYWORD

bref,hard,nonn

AUTHOR

Rick L. Shepherd (rshepherd2(AT)hotmail.com), Sep 30 2007

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Last modified February 15 21:27 EST 2012. Contains 205859 sequences.