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 A132258 #3 Mar 11 2014 01:34:09
%S A132258 89,131,163,211,223,251,331,359,373,389,401,449,479,491,509,541,613,
%T A132258 631,673,691,701,719,733,751,761,839,853,911,929,941,971,991,1109,
%U A132258 1123,1171,1181,1201,1213,1259,1361,1381,1409,1423,1439,1471
%N A132258 Isolated primes congruent to {1, 11, 13, 29} mod 30.
%H A132258 C. K. Caldwell, <a href="http://primes.utm.edu">The Prime Pages</a>.
%H A132258 Omar E. Pol, <a href="http://www.polprimos.com">Determinacion geometrica de los numeros primos y perfectos</a>.
%Y A132258 Cf. A007510, A031926, A118922.
%K A132258 easy,nonn
%O A132258 1,1
%A A132258 _Omar E. Pol_, Aug 20 2007