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 A120713 #6 Mar 31 2012 14:43:40 %S A120713 2,23,3,37,211,5,311,313,223,7,317,23691827,229,236132639,241,331, %T A120713 391133,337,523,11,719,347,271,372149,391751,2711142277,353, %U A120713 236918275481,283,13,236295887,359,236316293,1117,379212763,367,541 %N A120713 Primes arising in A120712. %H A120713 T. D. Noe, <a href="/A120713/b120713.txt">Table of n, a(n) for n=1..1000</a> %Y A120713 Cf. A120712, A107374. %K A120713 nonn,base %O A120713 1,1 %A A120713 _Eric Angelini_, Jul 19 2007