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 A356704 #9 Aug 24 2022 09:03:41 %S A356704 3,7,1,2,8,329,217,506,65,260,585 %N A356704 a(n) is the least k such that Mordell's equation y^2 = x^3 + k^3 has exactly 2*n+1 integral solutions. %C A356704 a(n) is the least k such that y^2 = x^3 + k^3 has exactly n solutions with y positive, or exactly n+1 solutions with y nonnegative. %C A356704 a(n) is the smallest index of 2*n+1 in A356706, of n in A356707, and of n+1 in A356708. %F A356704 a(n) = A179162(2*n+1)^(1/3). %e A356704 a(4) = 8 since y^2 = x^3 + 8^3 has exactly 9 solutions (-8,0), (-7,+-13), (4,+-24), (8,+-32), and (184,+-2496), and the number of solutions to y^2 = x^3 + k^3 is not 9 for 0 < k < 8. %Y A356704 Cf. A081119, A081120, A179162, A179175, A356705, A356706, A356707, A356708. %K A356704 nonn,hard,more %O A356704 0,1 %A A356704 _Jianing Song_, Aug 23 2022