A273522 Numbers n such that 12*14^n-1 is prime.

1, 2, 4, 6, 22, 24, 26, 37, 47, 257, 374, 1848, 3128, 3468, 6943, 9663

Offset

0,2

Links

Table of n, a(n) for n=0..15.

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(12*14^n-1) \\ Charles R Greathouse IV, Jun 08 2016

Crossrefs

Sequence in context: A176652 A251724 A326363 * A227626 A152482 A045960

Adjacent sequences: A273519 A273520 A273521 * A273523 A273524 A273525

Keyword

nonn,more

Author

Jack P. Eisenmann, May 23 2016

Status

approved