A307288 Number of arithmetic classes of space groups in dimension n, including enantiomorphs.

1, 2, 13, 73, 780, 6079

Offset

0,2

Links

Table of n, a(n) for n=0..5.

R. L. E. Schwarzenberger, Colour symmetry, Bulletin of the London Mathematical Society 16.3 (1984): 216-229.

Wikipedia, Space group

Crossrefs

For the case when enantiomorphs are not included see A004027.

Sequence in context: A240549 A004027 A263840 * A154357 A161130 A192700

Adjacent sequences: A307285 A307286 A307287 * A307289 A307290 A307291

Keyword

nonn,more

Author

N. J. A. Sloane, Apr 08 2019

Status

approved