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A032368 Numbers k such that 37*2^k+1 is prime. 1

%I #30 Oct 04 2019 13:17:28

%S 2,4,8,10,12,16,22,26,68,82,84,106,110,166,236,254,286,290,712,1240,

%T 1706,1804,1904,2240,2632,3104,5870,8750,11514,11972,14434,16322,

%U 18044,19050,23014,32424,59354,62350,120196,157128,167326,211056,218550,230716,233968

%N Numbers k such that 37*2^k+1 is prime.

%H Jeppe Stig Nielsen, <a href="/A032368/b032368.txt">Table of n, a(n) for n = 1..53</a>

%H Ray Ballinger, <a href="http://www.prothsearch.com/index.html">Proth Search Page</a>

%H Ray Ballinger and Wilfrid Keller, <a href="http://www.prothsearch.com/riesel1.html">List of primes k.2^n + 1 for k < 300</a>

%H Y. Gallot, <a href="http://www.utm.edu/research/primes/programs/gallot/index.html">Proth.exe: Windows Program for Finding Large Primes</a>

%H Wilfrid Keller, <a href="http://www.prothsearch.com/riesel2.html">List of primes k.2^n - 1 for k < 300</a>

%H <a href="/index/Pri#riesel">Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime</a>

%o (PARI) is(n)=ispseudoprime(37*2^n+1) \\ _Charles R Greathouse IV_, Jun 13 2017

%K nonn

%O 1,1

%A _James R. Buddenhagen_

%E More terms from _Hugo Pfoertner_, Jun 20 2003

%E Added more terms (from http://web.archive.org/web/20161028080239/http://www.prothsearch.net/riesel.html), _Joerg Arndt_, Apr 07 2013

%E Terms moved from Data to b-file, and more terms put in b-file by _Jeppe Stig Nielsen_, Oct 03 2019

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Last modified April 24 17:29 EDT 2024. Contains 371962 sequences. (Running on oeis4.)