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 A102202 #12 Aug 14 2021 13:12:18 %S A102202 4,26,302,6487,6572211,9962261161,20114953831,72323276790496009462, %T A102202 9563112289639086692081,639278857103151880047311, %U A102202 13532727020275663728604021,91820624869556443938377242,629083300047263751187646851269521,40032985928622992884587988549627831 %N A102202 Iccanobirt semiprimes (12 of 15): Semiprime numbers in A102122. %F A102202 a(n) = A102122(A102182(n)). %Y A102202 Cf. A001358, A102122, A102182, A102191-A102205. %K A102202 nonn,less,base %O A102202 1,1 %A A102202 _Jonathan Vos Post_ and _Ray Chandler_, Dec 31 2004 %E A102202 Offset changed to 1 and more terms from _Jinyuan Wang_, Aug 14 2021