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 A102151 #10 Nov 17 2012 15:40:21 %S A102151 2,7,13,33049,118852511, %T A102151 4737081270498735525597185686764838592126526518160799, %U A102151 1077332507131387702854919470217222614007309564248616024722926341483527602546317 %N A102151 Iccanobirt primes (1 of 15): Prime numbers in A102111. %F A102151 a(n) = A102111(A102131(n)). %Y A102151 Cf. A000040, A102111, A102152-A102165. %K A102151 nonn,base %O A102151 1,1 %A A102151 _Jonathan Vos Post_ and _Ray Chandler_, Dec 31 2004