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 A179137 #21 Jul 07 2019 07:48:01 %S A179137 2351,3896,4799,4827,5417,5835,6691,6843,9748,9967,10723,11559,12163, %T A179137 12394,12891,13971,14188,14907,15049,15544 %N A179137 Parameters n for which the elliptic curve y^2=x^3-n has rank 4. %H A179137 J. Gebel, <a href="/A001014/a001014.txt">Integer points on Mordell curves</a> [Cached copy, after the original web site tnt.math.se.tmu.ac.jp was shut down in 2017] %o A179137 (PARI) for(k=1, 1e4, if(ellanalyticrank(ellinit([0, 0, 0, 0, -k]))[1]==4, print1(k", "))) \\ _Seiichi Manyama_, Jul 07 2019 %Y A179137 Cf. A002150 (rank 0), A002152 (rank 1), A002154 (rank 2), A179136 (rank 3). %Y A179137 Cf. A031508. %K A179137 nonn %O A179137 1,1 %A A179137 _Artur Jasinski_, Jun 30 2010 %E A179137 a(11)-a(20) from _Seiichi Manyama_, Jul 07 2019