%I #11 Apr 09 2019 03:21:35
%S 1,2,13,73,780,6079
%N Number of arithmetic classes of space groups in dimension n, including enantiomorphs.
%H R. L. E. Schwarzenberger, <a href="https://doi.org/10.1112/blms/16.3.209">Colour symmetry</a>, Bulletin of the London Mathematical Society 16.3 (1984): 216-229.
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Space_group">Space group</a>
%Y For the case when enantiomorphs are not included see A004027.
%K nonn,more
%O 0,2
%A _N. J. A. Sloane_, Apr 08 2019