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 A330522 #12 Jun 30 2021 02:26:43 %S A330522 15,19,150,182,191,195,199,1500,1819,1950,1981,1991,1995,1999,15000, %T A330522 18182,19091,19500,19802,19901,19950,19981,19991,19995,19999,150000, %U A330522 181819,195000,198020,199010,199091,199500,199801,199901,199950,199981,199991,199995 %N A330522 First quadrisection of A332843. %H A330522 Rémy Sigrist, <a href="/A330522/a330522.gp.txt">PARI program for A330522</a> %o A330522 (PARI) See Links section. %Y A330522 Cf. A332843. %K A330522 base,nonn %O A330522 1,1 %A A330522 _Tom Duff_ and _Eric Angelini_, Mar 01 2020 %E A330522 More terms from _Rémy Sigrist_, Jun 29 2021