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 A135719 #25 Apr 20 2024 07:42:14 %S A135719 1,11,40,403,1224,4886,19096,120137,485941,2974628,25293838 %N A135719 a(n) is the index of the smallest Carmichael number (A002997) with n prime divisors, or 0 if no such number exists. %H A135719 Claude Goutier, <a href="http://www-labs.iro.umontreal.ca/~goutier/OEIS/A055553/">Compressed text file carm10e22.gz containing all the Carmichael numbers up to 10^22</a>. %H A135719 Richard Pinch, <a href="http://s369624816.websitehome.co.uk/rgep/cartable.html">Tables relating to Carmichael numbers</a> (All the Carmichael numbers up to 10^18). %F A135719 A002997(a(n)) = A006931(n). - _M. F. Hasler_, Apr 14 2015 %Y A135719 Cf. A002997, A135717, A006931. %K A135719 nonn,more %O A135719 3,2 %A A135719 _Artur Jasinski_, Nov 25 2007 %E A135719 a(8)-a(11) from _Donovan Johnson_, Feb 23 2012 %E A135719 a(12) from _Amiram Eldar_, Jul 08 2019 %E A135719 Escape clause added by _Jianing Song_, Dec 12 2021 %E A135719 a(13) calculated using data from _Claude Goutier_ and added by _Amiram Eldar_, Apr 20 2024