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 A349209 #6 Nov 28 2021 02:42:10 %S A349209 2,4,2,8,16,20,48,48,69,74,107,158,177,270,355,519,716 %N A349209 a(n) is the maximum of the side lengths of the smallest elements of all simple perfect squared squares of order n. %H A349209 Stuart E. Anderson, <a href="http://www.squaring.net/downloads/downloads.html#pss">Catalogues of Perfect Squared Squares</a>. %H A349209 Rainer Rosenthal, <a href="/A349209/a349209.pdf">Illustration of sequence terms</a>, Nov 2021. %e A349209 See linked illustrations. %Y A349209 Cf. A006983, A129947, A217149, A228953, A349205, A349206, A349207, A349208, A349210. %K A349209 nonn,hard,more %O A349209 21,1 %A A349209 _Hugo Pfoertner_, Nov 17 2021