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 A027893 #17 Jul 08 2025 17:57:31 %S A027893 1,3,9,41,123,271,369,813,2439,11111,33333,99999 %N A027893 Divisors of 99999. %H A027893 <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a> %t A027893 Divisors[99999] (* _Paolo Xausa_, Jul 01 2024 *) %o A027893 (PARI) divisors(99999) \\ _Charles R Greathouse IV_, Jun 21 2017 %K A027893 nonn,fini,full,easy %O A027893 1,2 %A A027893 _N. J. A. Sloane_