%I A023294
%S A023294 659,2549,5189,6269,7229,7949,9209,11579,16139,18089,22739,25589,26099,
%T A023294 26339,29009,30689,40289,51719,55799,59669,60689,61379,63599,69959,70229,
%U A023294 74609,85829,94949,95819,102539,109589,118169,121469,135599,136889
%N A023294 Numbers n such that n remains prime through 3 iterations of function 
               f(x) = 8x + 7.
%Y A023294 Sequence in context: A135418 A034818 A068260 this_sequence A067235 A113171 
               A014362
%Y A023294 Adjacent sequences: A023291 A023292 A023293 this_sequence A023295 A023296 
               A023297
%K A023294 nonn
%O A023294 1,1
%A A023294 David W. Wilson (davidwwilson(AT)comcast.net)