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 A323813 #12 Jan 30 2019 14:28:58 %S A323813 2083,2719,3324,3752,7775,5631,7410,8561,14075,8468,9230,22701,14660, %T A323813 21709,21077,25808,27111,24707,19843,26942,26736,32448,31365,45035, %U A323813 37852,37187,43317,62094,67400,68735,70847,62788,63222,69244,85384 %N A323813 Squares where A323809 gets stuck. %H A323813 Daniël Karssen, <a href="/A323813/b323813.txt">Table of n, a(n) for n = 1..57</a> %Y A323813 Cf. A323809. %K A323813 nonn %O A323813 1,1 %A A323813 _Daniël Karssen_, Jan 28 2019