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 A101763 #29 Nov 21 2022 09:38:08 %S A101763 8,10,15,17,35,37,47,53,62,66,74,79,110,127,146,214,231,241,242,245, %T A101763 250,277,293,302,343,485,525,550,599,638,687,733,805,814 %N A101763 Iccanobif semiprime indices: Indices of semiprime numbers in A001129. %C A101763 This sequence also includes 881, 946, 954, 1086, 1753, and 1771. It might or might not include 838, 849, 1073, 1667, 1741, 1870, 2155, and 2478, but the required factoring proved rather difficult. There are no further terms below 2478. - _Lucas A. Brown_, Nov 19 2022 %H A101763 Lucas A. Brown, <a href="https://github.com/lucasaugustus/oeis/blob/main/A101763.py">A101763.py</a>. %Y A101763 Cf. A001358, A001129, A014258, A014259, A014260, A101764, A101765, A101766. %K A101763 nonn,base,hard,more %O A101763 1,1 %A A101763 _Jonathan Vos Post_ and _Ray Chandler_, Dec 15 2004 %E A101763 Missing 302 inserted and 525 added by _Sean A. Irvine_, Apr 29 2022 %E A101763 a(28)-a(34) from _Lucas A. Brown_, Nov 21 2022