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 A300381 #5 Mar 04 2018 10:23:42 %S A300381 3,11,20,31,41,63,69,80,103,131,143,144,167,209,223,236,261,275,304, %T A300381 351,365,371,391,435,468,503,521,536,563,601,608,677,735,739,755,776, %U A300381 783,829,899,911,999,1011,1028,1057,1088,1104,1135,1175,1276,1313,1343,1361,1391,1413,1439,1511 %N A300381 Numbers of the form x^3+x*y+y^3 where x,y>0. %C A300381 Contains all terms larger than 1 from A071568 (contributed by y=1). %Y A300381 Cf. A003136, A266970 (prime subsequence), A024614. %K A300381 nonn %O A300381 1,1 %A A300381 _R. J. Mathar_, Mar 04 2018