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 A335116 #23 May 24 2020 11:21:37 %S A335116 1,2,3,5,7,13,25,31,37,61,73,109,121,145,181,241,361,421,541,721,841, %T A335116 1009,1081,1201,1261,1621,1681,2017,2161,2521,3361,3781,5041,6481, %U A335116 7561,8401,10081,12601,15121,25201,30241,42841,45361,55441,60481,75601,85681,100801,110881,128521,131041 %N A335116 Where records occur in A304480. %C A335116 a(n) is odd for n > 2. %H A335116 Seiichi Manyama, <a href="/A335116/b335116.txt">Table of n, a(n) for n = 1..90</a> %H A335116 Project Euler, <a href="https://projecteuler.net/problem=533">Problem 533 - Minimum values of the Carmichael function</a> %H A335116 Wikipedia, <a href="http://en.wikipedia.org/wiki/Carmichael_function">Carmichael function</a> %Y A335116 Cf. A002322, A304480, A335117 (records). %K A335116 nonn %O A335116 1,2 %A A335116 _Seiichi Manyama_, May 24 2020