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 A334521 #8 May 08 2020 04:19:13 %S A334521 3,6,7,9,10,11,12,15,17,18,19,20,21,24,25,26,28,29,30,33,34,35,36,37, %T A334521 38,39,42,43,44,45,46,47,48,51,52,53,55,56,57,60,61,62,63,65,66,69,70, %U A334521 71,72,73,74,75,78,79,80,81,82,83,84,87,88,89,90,91,92,93,96,97,98,99,100,101,102,105,106,107,108,109 %N A334521 Numbers that are not congruent to +- mod 9 and are neither a cube nor twice a cube. %H A334521 Andrew Sutherland, <a href="https://drive.google.com/file/d/1qzD__dviONTqHQH7DBFmsQ0MdCa7ePRg/view">Sums of three cubes</a>, Slides of a talk given May 07 2020 on the Number Theory Web. %Y A334521 Cf. A000578, A060464, A156638. %Y A334521 Complement of A334522. %K A334521 nonn %O A334521 1,1 %A A334521 _N. J. A. Sloane_, May 08 2020