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 A293867 #7 Oct 19 2017 22:37:40 %S A293867 5,7,10,12,15,19,21,25,35,36,39,47,59,63,67,71,75,79,83,87,91,95,99, %T A293867 103,107,111,115,119,123,125 %N A293867 Record high values in A293843. %H A293867 Rémy Sigrist, <a href="/A293867/a293867.txt">C++ program for A293867</a> %o A293867 (C++) See Links section. %Y A293867 Cf. A293843, A293868. %K A293867 nonn %O A293867 1,1 %A A293867 _Rémy Sigrist_, Oct 18 2017