This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A164569 #6 Nov 21 2013 12:49:41
%S A164569 3,13,31,73,79,151,163,181,193,241,283,349,373,379,409,421,463,601,
%T A164569 631,673,751,769,811,829,853,883,991,1021,1039,1063,1171,1201,1303,
%U A164569 1381,1423,1429,1453,1459,1471,1543,1549,1579,1609,1621,1663,1669,1789,1801
%N A164569 Primes p such that 11*p+8 are prime numbers.
%C A164569 Apart from the first term, a(n) = 1 (mod 6).
%e A164569 11*3+8=41, ..
%t A164569 lst={};Do[p=Prime[n];If[PrimeQ[11*p+8],AppendTo[lst,p]],{n,6!}];lst
%t A164569 Select[Prime[Range[500]],PrimeQ[11#+8]&] (* _Harvey P. Dale_, Jul 17 2011 *)
%Y A164569 Cf. A023212, A023217, A023224, A023230, A023239
%K A164569 nonn,easy
%O A164569 1,1
%A A164569 _Vladimir Joseph Stephan Orlovsky_, Aug 16 2009
%E A164569 Comment from _Charles R Greathouse IV_, Oct 12 2009