OFFSET
2,1
LINKS
John S. Rutherford, Sublattice enumeration. IV. Equivalence classes of plane sublattices by parent Patterson symmetry and colour lattice group type, Acta Cryst. (2009). A65, 156-163. [See Table 4. Contains errors for n = 24 and 28.]
CROSSREFS
KEYWORD
dead
AUTHOR
N. J. A. Sloane, Feb 25 2009
STATUS
approved