A273520 Numbers n such that 8*14^n-1 is prime.

2, 88, 178, 562, 2392, 4946, 5816

Offset

0,1

Links

Table of n, a(n) for n=0..6.

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(8*14^n-1) \\ Charles R Greathouse IV, Jun 08 2016

Crossrefs

Sequence in context: A283945 A172736 A244386 * A066226 A058439 A058463

Adjacent sequences: A273517 A273518 A273519 * A273521 A273522 A273523

Keyword

nonn,more

Author

Jack P. Eisenmann, May 23 2016

Status

approved