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 A134330 #20 Aug 02 2022 17:32:13 %S A134330 1,4,16,27,30,60,70,72,84,105,150,180,220,231,240,256,286,288,308,378, %T A134330 440,450,476,528,540,560,576,588,594,624,627,646,648,650,728,800,805, %U A134330 840,884,897,900 %N A134330 Incorrect version of A046346. %K A134330 dead %O A134330 1,2