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

2,1

Links

Table of n, a(n) for n=2..30.

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

Sequence in context: A356275 A256918 A099871 * A304182 A256284 A322979

Adjacent sequences: A157217 A157218 A157219 * A157221 A157222 A157223

Keyword

dead

Author

N. J. A. Sloane, Feb 25 2009

Status

approved