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 A075287 #9 Nov 21 2013 12:47:53
%S A075287 60,228,348,636,1668,1788,1884,2148,2364,2724,2892,3252,3372,3684,
%T A075287 4236,4548,4668,5316,6252,6684,6828,7212,8292,8628,9012,9708,10068,
%U A075287 10308,11892,11964,12108,12252,12396,12612,13836,14676,15324,15396,15564
%N A075287 Interprimes which are of the form s*prime, s=12.
%C A075287 Interprimes of the form s*prime are in A075277-A075296 ( s = 2 - 21 ). Case s=1 is impossible.
%H A075287 Harvey P. Dale, <a href="/A075287/b075287.txt">Table of n, a(n) for n = 1..1000</a>
%e A075287 348 is an interprime and 348/12 = 29 is prime.
%t A075287 s=12; Select[Table[(Prime[n+1]+Prime[n])/2, {n, 2, 4000}], PrimeQ[ #/s]&]
%t A075287 Select[Mean/@Partition[Prime[Range[2,1900]],2,1],PrimeQ[#/12]&] (* _Harvey P. Dale_, May 08 2012 *)
%Y A075287 Cf. A075277-A075296.
%K A075287 easy,nonn
%O A075287 1,1
%A A075287 _Zak Seidov_, Sep 12 2002