0,1

79 is single prime, but not Chen prime.

Cf. A007510, A109611.

Sequence in context: A015984 A039544 A091819 this_sequence A039436 A043259 A044039

Adjacent sequences: A117241 A117242 A117243 this_sequence A117245 A117246 A117247

nonn

Jani Melik (jani_melik(AT)hotmail.com), Apr 22 2006