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 A126329 #15 Dec 31 2015 19:11:27 %S A126329 17,23,47,71,83,107,179,191,227,251,263,359,431,443,479,503,587,647, %T A126329 659,683,827,839,911,947,983,1091,1151,1163,1187,1367,1439,1451,1511, %U A126329 1583,1619,1667,1847,1871,1907,2027,2087,2099,2207,2243,2339,2411,2459,2531,2591 %N A126329 Primes of the form 6p+5 where p is a prime. %H A126329 Harvey P. Dale, <a href="/A126329/b126329.txt">Table of n, a(n) for n = 1..1000</a> %t A126329 lst={};Do[p=Prime[n];p=6*p+5;If[PrimeQ[p],AppendTo[lst,p]],{n,6!}];lst (* _Vladimir Joseph Stephan Orlovsky_, Apr 04 2009 *) %t A126329 6#+5&/@Select[Prime[Range[100]],PrimeQ[6#+5]&] (* _Harvey P. Dale_, Dec 31 2015 *) %Y A126329 For the corresponding primes p, see A023221. %K A126329 nonn %O A126329 1,1 %A A126329 _J. M. Bergot_, Mar 09 2007 %E A126329 Corrected and extended by _N. J. A. Sloane_, Mar 10 2007