%I A004030 M3847
%S A004030 1,1,5,14,64,189,826
%N A004030 Number of n-dimensional Bravais lattices.
%D A004030 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A004030 H. Brown, R. B\"{u}low, J. Neub\"{u}ser, H. Wondratschek and H. Zassenhaus, 
               Crystallographic Groups of Four-Dimensional Space. Wiley, NY, 1978, 
               p. 52.
%D A004030 P. Engel, ``Geometric crystallography,'' in P. M. Gruber and J. M. Wills, 
               editors, Handbook of Convex Geometry. North-Holland, Amsterdam, Vol. 
               B, pp. 989-1041.
%D A004030 W. Plesken and W. Hanrath, The lattices of six-dimensional space, Math. 
               Comp., 43 (1984), 573-587.
%Y A004030 Sequence in context: A055488 A127922 A165517 this_sequence A166795 A128102 
               A007838
%Y A004030 Adjacent sequences: A004027 A004028 A004029 this_sequence A004031 A004032 
               A004033
%K A004030 nonn,hard,nice
%O A004030 0,3
%A A004030 N. J. A. Sloane (njas(AT)research.att.com).