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 A087771 #8 Apr 26 2012 14:56:51 %S A087771 3,433,521,601,647,1459,2099,4073,8123,9491,17293,17881,19001,20887, %T A087771 23057,27457,37253,38923,39119,39409,42409,45293,50287,52391,53861, %U A087771 55103,60661,67213,69481,71483,74941,75211,80447,84503,84731,89459 %N A087771 Primes p giving prime quadruples (30p+11, 30p+13, 30p+17, 30p+19). %H A087771 Zak Seidov, <a href="/A087771/b087771.txt">Table of n, a(n) for n = 1..1000</a> %e A087771 a(1)=3=A014561(1), a(2)=433=A014561(12), a(3)=521=A014561(13). %Y A087771 Subsequence of A014561. %K A087771 easy,nonn %O A087771 1,1 %A A087771 _Zak Seidov_, Oct 03 2003