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 A330389 #19 Dec 17 2019 15:16:36 %S A330389 45,1260,765765,281801520,5354228880,5354228880,5354228880,5354228880, %T A330389 5354228880,5354228880,5354228880,5354228880,5354228880,5354228880, %U A330389 5354228880,5354228880,5354228880,5354228880,5354228880,5354228880,5354228880,5354228880 %N A330389 Maximal order of an element in the n X n X n Rubik's cube group. %C A330389 For the standard Rubik's cube (n = 3) the longest period 1260 is obtained with the moves RU2D'BD'. %C A330389 a(n) = a(6) for all n > 6. %H A330389 Math StackExchange, <a href="https://math.stackexchange.com/questions/2392906/determine-the-highest-order-of-an-element-of-a-rubiks-cube-group">Determine the highest order of an element of a Rubik's Cube group</a>. %H A330389 Puzzling StackExchange, <a href="https://puzzling.stackexchange.com/questions/91897/worst-way-to-solve-rubiks-in-one-algorithm">Worst way to solve Rubik's in one algorithm</a>. %Y A330389 Cf. A007458, A054434, A075152, A257401. %K A330389 nonn %O A330389 2,1 %A A330389 _Dmitry Kamenetsky_, Dec 13 2019