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 A087682 #17 Sep 03 2019 00:58:38
%S A087682 11,15,21,39,45,51,75,81,105,159,165,171,189,219,231,249,285,339,345,
%T A087682 375,381,441,471,495,549,555,579,585,609,639,651,669,735,765,819,831,
%U A087682 945,975,1005,1041,1095,1101,1179,1209,1221,1299,1311,1431,1479,1491
%N A087682 Numbers n such that n + 8 and n - 8 are both prime.
%H A087682 Daniel Starodubtsev, <a href="/A087682/b087682.txt">Table of n, a(n) for n = 1..10000</a>
%t A087682 f[n_]:=PrimeQ[n-8]&&PrimeQ[n+8]; lst={};Do[If[f[n],AppendTo[lst,n]],{n,7,8!,2}];lst (* _Vladimir Joseph Stephan Orlovsky_, Oct 09 2009 *)
%Y A087682 Cf. A014574, A087678-A087683, A087695-A087697, A088768.
%K A087682 easy,nonn
%O A087682 1,1
%A A087682 _Zak Seidov_, Sep 27 2003
%E A087682 More terms from _Ray Chandler_, Oct 26 2003