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 A268216 #57 Aug 22 2025 19:59:47 %S A268216 2,3,6,4,12,24,5,20,60,120,6,30,120,360,720,7,42,210,840,2520,5040,8, %T A268216 56,336,1680,6720,20160,40320,9,72,504,3024,15120,60480,181440,362880, %U A268216 10,90,720,5040,30240,151200,604800,1814400,3628800 %N A268216 Duplicate of A119741. %K A268216 dead %O A268216 2,1