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 A180469 #13 Jan 28 2019 02:25:49 %S A180469 701,1301,1901,3701,6101,6701,7901,10301,13901,15101,16301,19301, %T A180469 21101,22901,27701,42101,46301,52301,54101,60101,64301,70901,72701, %U A180469 81101,82301,87701,88301,93701,102101,112901,115301,117101,123701,132701 %N A180469 Primes of the form 100p + 1, where p is prime. %H A180469 Kevin Batista, <a href="/A180469/b180469.txt">Table of n, a(n) for n = 1..20000</a> %e A180469 Example: 7*100 + 1 = 701 is prime, and is therefore a term. %o A180469 (PARI) forprime(p=2,1e4,k=100*p+1;if(isprime(k),print1(k","))) %Y A180469 Subsequence of A158128. %K A180469 easy,nonn %O A180469 1,1 %A A180469 Kevin Batista (kevin762401(AT)yahoo.com), Sep 06 2010