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 A102164 #12 Aug 15 2021 09:31:30 %S A102164 2,7,31,823,8359081,838645835501,3454952325449641, %T A102164 39037487994583246494995203209075812905781919221, %U A102164 3849036379333595071904298941172131921008511669448798002135139108572992781805641 %N A102164 Iccanobirt primes (14 of 15): Prime numbers in A102124. %F A102164 a(n) = A102124(A102144(n)). %Y A102164 Cf. A000040, A102124, A102144, A102151-A102165. %K A102164 nonn,base,less %O A102164 1,1 %A A102164 _Jonathan Vos Post_ and _Ray Chandler_, Dec 31 2004 %E A102164 Offset changed to 1 by _Jinyuan Wang_, Aug 15 2021