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 A309100 #6 Jul 13 2019 16:19:43 %S A309100 49042,58466,108322,150997,186386 %N A309100 Numbers k for which rank of the elliptic curve y^2 = x^3 - k*x is 5. %Y A309100 Cf. A309029. %Y A309100 Cf. A002156, A002157, A309032, A309033, A309034. %K A309100 nonn,more,hard %O A309100 1,1 %A A309100 _Vaclav Kotesovec_, Jul 12 2019 %E A309100 a(5) from _Vaclav Kotesovec_, Jul 13 2019