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A133858
Primes of the form 11^k - 2.
3
14639, 1771559
OFFSET
1,1
COMMENTS
Last digit of all terms is 9.
The nest term (11^22420-2) is too large to be displayed; see A133982 for the corresponding k. - Joerg Arndt, Nov 28 2020
EXAMPLE
a(1) = 11^4 - 2 = 14639,
a(2) = 11^6 - 2 = 1771559.
CROSSREFS
Cf. A104096 (largest prime <= 11^n), A130652, A128472, A084714 (smallest prime of the form (2n-1)^k - 2).
Sequence in context: A032736 A032738 A252218 * A023683 A231118 A017284
KEYWORD
nonn,bref,hard
AUTHOR
Alexander Adamchuk, Sep 27 2007
STATUS
approved