Search: id:A077375
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%I A077375
%S A077375 2,3,4,5,12,13,14,23,57,106,226,227,311,373,1046,1298,1787,1952,2130,
%T A077375 2285,2670,3254,3642,4369,13559,33418,66830
%N A077375 Numbers n such that 2^n + prime(n) is prime.
%C A077375 All terms < 5000 correspond to certified primes (Primo 2.2.0 beta). - 
               Ryan Propper (rpropper(AT)stanford.edu), Aug 08 2005
%C A077375 66830 was found by Henri Lifchitz.
%H A077375 H. Lifchitz, <a href="http://www.primenumbers.net/Henri/us/MersFermus.htm">
               Mersenne and Fermat primes field</a>
%Y A077375 Sequence in context: A066574 A039007 A050745 this_sequence A132027 A103651 
               A093713
%Y A077375 Adjacent sequences: A077372 A077373 A077374 this_sequence A077376 A077377 
               A077378
%K A077375 nonn
%O A077375 1,1
%A A077375 Jason Earls (zevi_35711(AT)yahoo.com), Nov 30 2002
%E A077375 2 more terms from Ryan Propper (rpropper(AT)stanford.edu), Aug 08 2005
%E A077375 66830 sent by Jason Earls (zevi_35711(AT)yahoo.com), Jan 12 2008

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