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.
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(7*14^n-1) \\ Charles R Greathouse IV, Jun 08 2016
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Jack P. Eisenmann, May 23 2016
STATUS
approved