A307290 -id:A307290 - cp's OEIS frontend

2, 7, 80, 1651, 62227

Offset: 0

N. J. A. Sloane, Apr 08 2019

R. L. E. Schwarzenberger, Colour symmetry, Bulletin of the London Mathematical Society 16.3 (1984): 216-229.
B. Souvignier, Enantiomorphism of crystallographic groups in higher dimensions with results in dimensions up to 6, Acta Cryst., A59 (2003), 210-220.

Cf. A307290.
Right border of A293063.
For non-magnetic space groups see A006227.

a(0), a(4) from Andrey Zabolotskiy, Apr 09 2019

0, 3, 46, 1156, 51987

Offset: 0

N. J. A. Sloane, Apr 08 2019

R. L. E. Schwarzenberger, Colour symmetry, Bulletin of the London Mathematical Society 16.3 (1984): 216-229.
B. Souvignier, Enantiomorphism of crystallographic groups in higher dimensions with results in dimensions up to 6, Acta Cryst., A59 (2003), 210-220.

For the case when enantiomorphs are counted see A307290.

a(n) = A293062(n, n) - 2 * A004029(n). - Andrey Zabolotskiy, Apr 09 2019

a(0), a(4) from Andrey Zabolotskiy, Apr 09 2019

cp's OEIS Frontend