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 A120091 #6 Feb 11 2019 22:02:11 %S A120091 8,18,32,50,72,98,98,128,128,162,162,200,200,242,242,242,288,288,288, %T A120091 338,338,338,338,392,392,392,450,450,512,512,512,512,512,578,578,578, %U A120091 578,578,648,648,648,722,722,722,722,722,722,800,800,800,800,800,882,882,882 %N A120091 Ordered values j of pairs (j,k) that generate A120090. %H A120091 Charlie Neder, <a href="/A120091/b120091.txt">Table of n, a(n) for n = 1..1000</a> %K A120091 nonn %O A120091 1,1 %A A120091 _Lekraj Beedassy_, Jun 07 2006 %E A120091 a(14)-a(55) from _Charlie Neder_, Feb 11 2019