A157220 Erroneous version of A304182.

3, 2, 4, 2, 6, 2, 4, 2, 6, 2, 8, 2, 6, 4, 4, 2, 6, 2, 8, 4, 6, 2, 6, 2, 6, 2, 4, 2, 12

Offset: 2

Author

N. J. A. Sloane, Feb 25 2009

Keywords

• dead

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.]