A059105 Number of n-dimensional torsion-free crystallographic groups with trivial center.

0, 0, 1, 4, 101, 5004

Offset: 1

Author

Tilman Schulz (tilman(AT)momo.math.rwth-aachen.de), Feb 13 2001

Keywords

• nonn
• hard
• nice
• more

Links

• W. Plesken and T. Schulz, CARAT Homepage
• W. Plesken and T. Schulz, CARAT Homepage [Cached copy in pdf format (without subsidiary pages), with permission]
• W. Plesken and T. Schulz, Introduction to CARAT [Cached copy in pdf format (without subsidiary pages), with permission]

Crossrefs

Cf. A004027, A004028, A004029, A059104.