%I M5180 #27 Jul 08 2016 17:37:45
%S 1,24,1058158080,173008013097959424000
%N Order of group of n X n X n Rubik cube.
%C It would be nice to have a more precise definition of this sequence! - _N. J. A. Sloane_, Feb 28 2003.
%C a(2) = A054434(1)*24, a(3) = A054434(2)*12, a(4) = A054434(3)*4. - _Andrey Zabolotskiy_, Jun 26 2016
%D J. H. Conway, personal communication.
%D Rowley, Chris, The group of the Hungarian magic cube, in Algebraic structures and applications (Nedlands, 1980), pp. 33-43, Lecture Notes in Pure and Appl. Math., 74, Dekker, New York, 1982.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H Xavier Servantie, <a href="http://web.archive.org/web/20030621195327/http://www-ensimag.imag.fr/eleves/Xavier.Servantie/rubik/index.eng.html">All about Rubik's cube</a>
%H <a href="/index/Gre#groups">Index entries for sequences related to groups</a>
%Y See A054434, A074914, A075152 for other versions.
%K nonn,unkn
%O 1,2
%A _N. J. A. Sloane_.