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A273518
Numbers n such that 6*14^n-1 is prime.
0
1, 27, 1325, 6375, 6899, 13445
OFFSET
0,2
LINKS
J. Brillhart, D. H. Lehmer and J. L. Selfridge, New primality criteria and factorizations of 2^m+-1, Math. Compl. 29 (1975) 620-647.
Eric Weisstein's World of Mathematics, Lucas Sequence.
Eric Weisstein's World of Mathematics, Rabin-Miller Strong Pseudoprime Test.
PROG
(PARI) is(n)=ispseudoprime(6*14^n-1) \\ Charles R Greathouse IV, Jun 08 2016
CROSSREFS
Sequence in context: A327596 A163568 A066300 * A075547 A167732 A017103
KEYWORD
nonn,more
AUTHOR
Jack P. Eisenmann, May 23 2016
STATUS
approved