Search: id:A023201
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%I A023201
%S A023201 5,7,11,13,17,23,31,37,41,47,53,61,67,73,83,97,101,103,107,131,151,157,
%T A023201 167,173,191,193,223,227,233,251,257,263,271,277,307,311,331,347,353,367,
%U A023201 373,383,433,443,457,461,503,541,557,563,571,587,593,601,607,613,641,647
%N A023201 Numbers n such that n and n + 6 both prime.
%H A023201 T. D. Noe, <a href="b023201.txt">Table of n, a(n) for n=1..10000</a>
%H A023201 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               SexyPrimes.html">Link to a section of The World of Mathematics.</
               a>
%H A023201 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               TwinPrimes.html">Link to a section of The World of Mathematics.</
               a>
%t A023201 Select[Range[10^2], PrimeQ[ # ]&&PrimeQ[ #+6] &] (from Vladimir Orlovsky 
               (4vladimir(AT)gmail.com), Apr 29 2008)
%Y A023201 A031924 and A007529 together give A023201.
%Y A023201 Cf. A046117, A098428.
%Y A023201 Sequence in context: A139812 A040146 A015914 this_sequence A106059 A102386 
               A038958
%Y A023201 Adjacent sequences: A023198 A023199 A023200 this_sequence A023202 A023203 
               A023204
%K A023201 nonn
%O A023201 1,1
%A A023201 David W. Wilson (davidwwilson(AT)comcast.net)

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