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%I #29 Jan 18 2020 11:01:03
%S 2,6,8,18,26,56,78,86,104,134,207,518,602,1268,1302,2324,2372,4574,
%T 5652,5966,6146,6378,7502,7682,7895,9198,9344,11106,11504,12096,19904,
%U 19932,20816,43406,57222,61202,83766,98978,121562,177078,187454,315486,370746
%N Numbers k such that 87*2^k+1 is prime.
%H Jeppe Stig Nielsen, <a href="/A032393/b032393.txt">Table of n, a(n) for n = 1..52</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(87*2^n+1) \\ _Charles R Greathouse IV_, Jun 13 2017
%K nonn
%O 1,1
%A _James R. Buddenhagen_
%E 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 section to b-file, and more terms appended to b-file, by _Jeppe Stig Nielsen_, Jan 18 2020