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Search: id:A032473
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%I A032473
%S A032473 2,4,8,12,24,28,30,70,82,100,124,134,434,478,540,708,952,1052,1070,
%T A032473 1528,1804,2568,2914,3712,16582,17342,23368,23942,35998,72174
%N A032473 Numbers n such that 193*2^n+1 is prime.
%H A032473 Ray Ballinger, <a href="http://www.prothsearch.net/index.html">Proth 
               Search Page</a>
%H A032473 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 A032473 Wilfrid Keller, <a href="http://www.prothsearch.net/riesel2.html">List 
               of primes k.2^n - 1 for k < 300</a>
%H A032473 <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 A032473 Sequence in context: A081410 A027677 A103787 this_sequence A084422 A171647 
               A089821
%Y A032473 Adjacent sequences: A032470 A032471 A032472 this_sequence A032474 A032475 
               A032476
%K A032473 nonn,hard
%O A032473 1,1
%A A032473 N. J. A. Sloane (njas(AT)research.att.com).

    
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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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