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 A101765 #16 Nov 12 2022 04:06:59 %S A101765 8,9,15,16,18,22,32,37,46,53,61,62,64,79,82,106,121,129,149,153,229, %T A101765 241,266,301,381,411,502 %N A101765 Iccanobif semiprime indices: Indices of semiprime numbers in A014259. %C A101765 This sequence also includes 742, 987, 1147, 1246, 1337, 1373, 1454, 1493, 1537, 1835, 1967, and 2265. It might or might not include 622, 630, 647, 817, 1247, 1402, 1422, 1477, 1649, 1781, 1818, 1867, 1874, and 2115, but the required factoring proved rather difficult. There are no further terms below 2265. - _Lucas A. Brown_, Nov 12 2022 %H A101765 Lucas A. Brown, <a href="https://github.com/lucasaugustus/oeis/blob/main/A101765.py">A101765.py</a>. %Y A101765 Cf. A001358, A001129, A014258, A014259, A014260, A101763, A101764, A101766. %K A101765 nonn,base,hard,more %O A101765 1,1 %A A101765 _Jonathan Vos Post_ and _Ray Chandler_, Dec 15 2004 %E A101765 a(27) from _Lucas A. Brown_, Nov 12 2022