Search: id:A030460
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%I A030460
%S A030460 3,37,89,157,163,173,211,239,257,263,269,277,337,359,379,439,479,
%T A030460 521,541,547,607,659,673,683,733,947,977,1019,1039,1187,1193,1213,
%U A030460 1229,1277,1373,1459,1471,1663,1693,1721,1747,1867,1979,2081,2179
%N A030460 Previous prime concatenated with this prime p is a prime.
%Y A030460 Sequence in context: A107183 A031919 A151730 this_sequence A163156 A041067 
               A046867
%Y A030460 Adjacent sequences: A030457 A030458 A030459 this_sequence A030461 A030462 
               A030463
%K A030460 nonn
%O A030460 0,1
%A A030460 Patrick De Geest (pdg(AT)worldofnumbers.com)

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