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Search: id:A108256
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%I A108256
%S A108256 479,1187,1289,2609,2699,2999,3347,3923,3989,4289,4583,5009,5309,5417,
%T A108256 5807,6047,6053,6257,6599,6779,7103,7253,7727,9029,10433,10667,11093,
%U A108256 11549,11579,12377,13007,14243,14867,15287,15683,16187,17519,17669
%N A108256 Primes p such that little googol - p is prime.
%F A108256 A little googol = 2^100.
%o A108256 (PARI) g(n) = forstep(x=1,n,2,if(isprime(2^100-x)&isprime(x),print1(x",
               ")))
%Y A108256 Sequence in context: A122268 A056987 A025025 this_sequence A115157 A019287 
               A108876
%Y A108256 Adjacent sequences: A108253 A108254 A108255 this_sequence A108257 A108258 
               A108259
%K A108256 easy,nonn
%O A108256 1,1
%A A108256 Cino Hilliard (hillcino368(AT)gmail.com), Jun 18 2005

    
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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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