%I A023227
%S A023227 3,7,13,31,37,43,67,73,79,109,139,157,163,181,193,211,223,229,241,271,
%T A023227 277,367,373,379,397,421,433,439,457,463,523,541,571,577,601,607,661,673,
%U A023227 709,727,757,769,787,829,853,907,937,967,991,1039,1063,1117,1153,1213
%N A023227 Numbers n such that n and 7n + 10 both prime.
%Y A023227 Sequence in context: A109291 A062700 A136060 this_sequence A031157 A049488 
               A136051
%Y A023227 Adjacent sequences: A023224 A023225 A023226 this_sequence A023228 A023229 
               A023230
%K A023227 nonn
%O A023227 1,1
%A A023227 David W. Wilson (davidwwilson(AT)comcast.net)