(Translated by https://www.hiragana.jp/)
# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a270011 Showing 1-1 of 1 %I A270011 #39 Jun 13 2017 14:32:34 %S A270011 1,2,3,5,15,31,53,100,108,188,328,568,816,1013,1912,4008,4155,8686, %T A270011 10747 %N A270011 Numbers n such that 3*14^n-1 is prime. %H A270011 J. Brillhart, D. H. Lehmer and J. L. Selfridge, New primality criteria and factorizations of 2^m+-1, Math. Compl. 29 (1975) 620-647. %H A270011 John Eisenmann, Prime Numbers of the Form a * 14^b - 1. %H A270011 Victor Shoup, A Computational Introduction to Number Theory and Algebra, 2008, page 348. %H A270011 Eric Weisstein's World of Mathematics, Lucas Sequence. %H A270011 Eric Weisstein's World of Mathematics, Rabin-Miller Strong Pseudoprime Test. %o A270011 (PARI) is(n)=ispseudoprime(3*14^n-1) \\ _Charles R Greathouse IV_, Jun 13 2017 %K A270011 nonn,more %O A270011 0,2 %A A270011 _Jack P. Eisenmann_, May 23 2016 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE