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 A356712 #6 Aug 24 2022 09:03:09 %S A356712 2,18,50,56,57,98,112,114,148,162,224,228,273,280,330,336,338,364,448, %T A356712 504,513,578 %N A356712 Numbers k such that Mordell's equation y^2 = x^3 + k^3 has exactly 7 integral solutions. %C A356712 Cube root of A179151. %e A356712 2 is a term since the equation y^2 = x^3 + 2^3 has 3 solutions (-2,0), (1,+-3), (2,+-4), and (46,+-312). %Y A356712 Cf. A081119, A179145, A179147, A179149, A179151, A356709, A356710, A356711. %Y A356712 Indices of 7 in A356706, of 3 in A356707, and of 4 in A356708. %K A356712 nonn,hard,more %O A356712 1,1 %A A356712 _Jianing Song_, Aug 23 2022