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 A073651 #15 Oct 17 2014 20:26:10
%S A073651 29,59,137,179,239,269,569,599,659,1019,1229,1289,1607,1619,2339,2549,
%T A073651 2969,3329,3539,3767,3917,3929,4019,4217,4259,4649,4799,5009,5279,
%U A073651 5477,5849,5867,6269,6359,6569,6659,6869,7127,7457,7487,7547,7589,8087,8429,8837,8969,9419,9629
%N A073651 Define the composite field of a prime q to be f(q) = (t,s) if p, q, r are three consecutive primes and q-p = t and r-q = s. This is a sequence of primes q with field (6,2).
%H A073651 Alois P. Heinz, <a href="/A073651/b073651.txt">Table of n, a(n) for n = 1..1000</a>
%t A073651 Transpose[Select[Partition[Prime[Range[1200]],3,1],Differences[#]=={6,2}&]][[2]] (* _Harvey P. Dale_, Jul 23 2011 *)
%Y A073651 Cf. A073648, A073649, A073650.
%K A073651 nonn
%O A073651 1,1
%A A073651 _Amarnath Murthy_, Aug 09 2002
%E A073651 Corrected and extended by _Ryan Propper_, Jul 10 2005
%E A073651 Corrected and extended by _Harvey P. Dale_, Jul 23 2011