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 A018411 #16 Jul 08 2025 06:46:45 %S A018411 1,3,7,17,21,51,119,357 %N A018411 Divisors of 357. %H A018411 <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a> %t A018411 Divisors[357] (* _Wesley Ivan Hurt_, Sep 04 2022 *) %o A018411 (PARI) divisors(357) \\ _Charles R Greathouse IV_, Jun 22 2017 %K A018411 nonn,fini,full,easy %O A018411 1,2 %A A018411 _N. J. A. Sloane_