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 A069714 #13 May 15 2024 19:21:38 %S A069714 2,12,1320,851760 %N A069714 Least integer k such that (sigma(k)-k)/(k-phi(k)) = n. %C A069714 10^11 < a(5) <= 124176229632000. - _Donovan Johnson_, Oct 22 2011 %F A069714 a(n) = Min{x: A001065(x) / A051953(x) = n}. %Y A069714 Cf. A068414, A068418, A001065, A051953, A000010, A000203. %K A069714 more,nonn %O A069714 1,1 %A A069714 _Labos Elemer_, Apr 02 2002