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 A124439 #12 Mar 06 2020 01:01:55 %S A124439 -1,-2,2,4,8,43,52,5234 %N A124439 Complete list of solutions to y^2 = x^3 + 17; sequence gives x values. %C A124439 The solutions here are listed in the order given by Mordell. See A029728 for a better version (with comments and references). %D A124439 L. J. Mordell, Diophantine Equations, Ac. Press, p. 246. %D A124439 T. Nagell, Einige Gleichungen von der Form ay^2+by+c=dx^3, Vid. Akad. Skrifter Oslo, Nr. 7 (1930). %Y A124439 Cf. A124451 (y values), A029728. %K A124439 sign,fini,full %O A124439 1,2 %A A124439 _N. J. A. Sloane_