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 A102182 #14 Aug 14 2021 13:11:32 %S A102182 5,9,11,18,21,29,31,64,69,76,80,81,102,111,112,120,122,133,135,136, %T A102182 187,212,219,314 %N A102182 Iccanobirt semiprime indices (12 of 15): Indices of semiprime numbers in A102122. %F A102182 A102122(a(n)) = A102202(n). %Y A102182 Cf. A001358, A102122, A102171-A102185, A102202. %K A102182 nonn,more,less,base %O A102182 1,1 %A A102182 _Jonathan Vos Post_ and _Ray Chandler_, Dec 31 2004 %E A102182 a(22) from _Robert Price_, Nov 10 2018 %E A102182 Offset changed to 1 and a(23)-a(24) from _Jinyuan Wang_, Aug 14 2021