|
Search: id:A157222
|
|
|
| A157222 |
|
Number of sublattices of index n fixed by a certain point group (see reference for precise definition). |
|
+0
1
|
|
| 0, 1, 1, 2, 3, 3, 4, 5, 6, 5, 8, 6, 9, 10, 10, 8, 15, 9, 14, 14, 15, 11, 21, 14, 18, 17, 22, 14, 30
(list; graph; listen)
|
|
|
OFFSET
|
2,4
|
|
|
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: A094182 A075699 A112330 this_sequence A064047 A111899 A074753
Adjacent sequences: A157219 A157220 A157221 this_sequence A157223 A157224 A157225
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com), Feb 25 2009
|
|
|
Search completed in 0.002 seconds
|
