|
Search: id:A157224
|
|
|
| A157224 |
|
Number of sublattices of index n fixed by a certain point group (see reference for precise definition). |
|
+0
1
|
|
| 1, 2, 3, 2, 6, 4, 6, 6, 8, 6, 12, 6, 12, 12, 12, 8, 18, 10, 18, 16, 18, 12, 24, 14, 20, 18, 24, 14, 36
(list; graph; listen)
|
|
|
OFFSET
|
2,2
|
|
|
REFERENCES
|
John S. Rutherford, Sublattice enumeration. IV. Equivalence classes of plane sublattices by parent Patterson symmetry and colour lattice group type, Acta Cryst. (2009). A65, 156163. [See Table 4].
|
|
CROSSREFS
|
Sequence in context: A033031 A134060 A161888 this_sequence A097914 A113710 A054126
Adjacent sequences: A157221 A157222 A157223 this_sequence A157225 A157226 A157227
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com), Feb 25 2009
|
|
|
Search completed in 0.002 seconds
|
