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 A018326 #16 Jul 08 2025 06:39:05 %S A018326 1,3,7,9,21,27,63,189 %N A018326 Divisors of 189. %H A018326 <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a> %t A018326 Divisors[189] (* _Harvey P. Dale_, Oct 11 2019 *) %o A018326 (PARI) divisors(189) \\ _Charles R Greathouse IV_, Jun 21 2017 %K A018326 nonn,fini,full,easy %O A018326 1,2 %A A018326 _N. J. A. Sloane_