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 A354769 #9 Sep 22 2022 01:40:05
%S A354769 1,8,18,90,8400,1201200
%N A354769 Numbers k such that d(k)/k = sup {d(m)/m | m > k}, where d(k) is the number-of-divisors function A000005(k).
%C A354769 It is not known if this sequence is infinite.
%D A354769 David desJardins, Posting to Math Fun Mailing List, Jun 21 2022.
%Y A354769 Cf. A000005, A066523, A354768.
%K A354769 nonn,more
%O A354769 1,2
%A A354769 _N. J. A. Sloane_, Jun 22 2022