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 A102193 #11 Aug 11 2021 01:25:21 %S A102193 4,62,203,12622,1587497,1868619823,90661877021812382699758, %T A102193 1538984096138042194598749,176790247727720247287001192437, %U A102193 2726402749746956241622994522641,186786483736027016457092821075933,273198997240107723863576578753631,32049985148080783062944679479294696996434 %N A102193 Iccanobirt semiprimes (3 of 15): Semiprime numbers in A102113. %F A102193 a(n) = A102113(A102173(n)). %Y A102193 Cf. A001358, A102113, A102191-A102205. %K A102193 nonn,less,base %O A102193 1,1 %A A102193 _Jonathan Vos Post_ and _Ray Chandler_, Dec 31 2004 %E A102193 Offset changed to 1 and more terms from _Jinyuan Wang_, Aug 10 2021