%I A117244
%S A117244 79,97,163,173,223,277,331,367,373,383,397
%N A117244 Single (or isolated or non-twin) primes (A007510) which are not Chen 
               primes (A109611).
%e A117244 79 is single prime, but not Chen prime.
%Y A117244 Cf. A007510, A109611.
%Y A117244 Sequence in context: A015984 A039544 A091819 this_sequence A039436 A043259 
               A044039
%Y A117244 Adjacent sequences: A117241 A117242 A117243 this_sequence A117245 A117246 
               A117247
%K A117244 nonn
%O A117244 0,1
%A A117244 Jani Melik (jani_melik(AT)hotmail.com), Apr 22 2006