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 A025404 #14 Feb 16 2025 08:32:35
%S A025404 219,252,259,278,315,376,467,522,594,702,758,763,765,802,809,819,856,
%T A025404 864,945,980,1010,1017,1036,1043,1073,1078,1081,1118,1134,1160,1251,
%U A025404 1352,1367,1368,1374,1375,1393,1397,1423,1430,1458,1460,1465,1467,1484,1486
%N A025404 Numbers that are the sum of 4 positive cubes in exactly 2 ways.
%H A025404 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/CubicNumber.html">Cubic Number.</a>
%F A025404 {n: A025457(n) = 2}. - _R. J. Mathar_, Jun 15 2018
%Y A025404 Cf. A025358, A025396, A025403, A025405, A025406, A048927, A344193.
%K A025404 nonn
%O A025404 1,1
%A A025404 _David W. Wilson_