id:A059105 - OEIS Search Results

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

+0
2

0, 0, 1, 4, 101, 5004 (list; graph; listen)

	OFFSET	`1,4`
	LINKS	`W. Plesken and T. Schulz, CARAT Homepage`
	CROSSREFS	`Cf. A004027, A004028, A004029, A059104.` `Sequence in context: A029995 A052144 A127776 this_sequence A129435 A129702 A091330` `Adjacent sequences: A059102 A059103 A059104 this_sequence A059106 A059107 A059108`
	KEYWORD	`nonn,hard,nice`
	AUTHOR	`Tilman Schulz (tilman(AT)momo.math.rwth-aachen.de), Feb 13 2001`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.