Search: id:A117242
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%I A117242
%S A117242 2,23,37,47,53,67,83,89,113,127,131,157,167,211,233,233,251,263,293,307,
%T A117242 317,337,353,359,379,389,401,409
%N A117242 Chen primes that are not members of twin primes.
%e A117242 a(1) = 2, 2 is Chen number but not member of twin primes, a(2) = 23 is 
               Chen number, but not member of twin primes.
%Y A117242 Cf. A001097, A109611.
%Y A117242 Sequence in context: A061448 A115233 A007510 this_sequence A144550 A106736 
               A045392
%Y A117242 Adjacent sequences: A117239 A117240 A117241 this_sequence A117243 A117244 
               A117245
%K A117242 nonn
%O A117242 0,1
%A A117242 Jani Melik (jani_melik(AT)hotmail.com), Apr 22 2006

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