%I A032353
%S A032353 2,4,6,14,20,26,50,52,92,120,174,180,190,290,320,390,432,616,830,1804,
%T A032353 2256,6614,13496,15494,16696,22386,54486,88066,95330,207084,283034
%N A032353 Numbers n such that 7*2^n+1 is prime.
%H A032353 Ray Ballinger, <a href="http://www.prothsearch.net/index.html">Proth 
               Search Page</a>
%H A032353 Ray Ballinger and Wilfrid Keller, <a href="http://www.prothsearch.net/
               riesel.html">List of primes k.2^n + 1 for k < 300</a>
%H A032353 Y. Gallot, <a href="http://www.utm.edu/research/primes/programs/gallot/
               index.html">Proth.exe: Windows Program for Finding Large Primes</
               a>
%H A032353 Wilfrid Keller, <a href="http://www.prothsearch.net/riesel2.html">List 
               of primes k.2^n - 1 for k < 300</a>
%H A032353 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               ProthPrime.html">Proth Prime</a>
%H A032353 <a href="Sindx_Pri.html#riesel">Index entries for sequences of n such 
               that k*2^n-1 (or k*2^n+1) is prime</a>
%Y A032353 Cf. A002255, A050526.
%Y A032353 Sequence in context: A124693 A095698 A064409 this_sequence A062112 A084685 
               A151794
%Y A032353 Adjacent sequences: A032350 A032351 A032352 this_sequence A032354 A032355 
               A032356
%K A032353 nonn,hard
%O A032353 1,1
%A A032353 Jim Buddenhagen (jbuddenh(AT)gmail.com)