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 A293868 #6 Oct 19 2017 22:37:47 %S A293868 1,2,5,12,32,76,212,412,418,2305,5118,5516,49014,104902,261530,478638, %T A293868 1016483,2148745,4532050,9534639,20011894,41896466,87553703,182654692, %U A293868 380294962,790667861,1641499854,3403314157,7047273636,15889803538 %N A293868 Indices of record high values in A293843. %H A293868 Rémy Sigrist, <a href="/A293868/a293868.txt">C++ program for A293868</a> %o A293868 (C++) See Links section. %Y A293868 Cf. A293843, A293867. %K A293868 nonn %O A293868 1,2 %A A293868 _Rémy Sigrist_, Oct 18 2017