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A273523 Numbers n such that 13*14^n-1 is prime. 2
1, 3, 5, 27, 35, 165, 209, 2351, 11277 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..8.

J. Brillhart, D. H. Lehmer and J. L. Selfridge, New primality criteria and factorizations of 2^m+-1, Math. Compl. 29 (1975) 620-647.

John Eisenmann, Prime Numbers of the Form a * 14^b - 1.

Victor Shoup, A Computational Introduction to Number Theory and Algebra, 2008, page 348.

Eric Weisstein's World of Mathematics, Lucas Sequence.

Eric Weisstein's World of Mathematics, Rabin-Miller Strong Pseudoprime Test.

PROG

(PARI) is(n)=ispseudoprime(13*14^n-1) \\ Charles R Greathouse IV, Jun 08 2016

CROSSREFS

Sequence in context: A272148 A272224 A069060 * A307631 A307630 A163783

Adjacent sequences:  A273520 A273521 A273522 * A273524 A273525 A273526

KEYWORD

nonn,more

AUTHOR

Jack P. Eisenmann, May 23 2016

STATUS

approved

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Last modified August 21 08:43 EDT 2019. Contains 326162 sequences. (Running on oeis4.)