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 A087286 #12 Feb 16 2025 08:32:51 %S A087286 1,3,8,9,12,15,17,18,19,22,24,30,36,37,38,40,44,55,57,64,65,68,71,73, %T A087286 79,80,89,97,98,100,101,106,107,108,112,113,119,121,128,129,138,141, %U A087286 145,148,151,154,156,161,163,164,168,169,171,172,190,196,197,198,204,208 %N A087286 Possible differences between a square and the closest smaller cube. %C A087286 Integers of the form m^2 - floor((m^2-1)^(1/3))^3 for integer m. %H A087286 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MordellCurve.html">Mordell Curve</a>. %e A087286 2^2-1^3=3, 3^2-2^3=1, 4^2-2^3=8, 5^2-2^3=17, 6^2-3^3=9, 7^2-3^3=22,..., %e A087286 1138^2-109^3=15 %Y A087286 Cf. A087285, A088017, A054504, A165289. %K A087286 nonn %O A087286 1,2 %A A087286 _Hugo Pfoertner_, Sep 18 2003