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A160881
Regular coverings having dihedral voltage groups (see Kwak-Lee reference for precise definition).
0
3, 14, 85, 591, 4403
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OFFSET
1,1
REFERENCES
J. H. Kwak and J. Lee, Enumeration of graph coverings, surface branched coverings and related group theory, in Combinatorial and Computational Mathematics (Pohang, 2000), ed. S. Hong et al., World Scientific, Singapore 2001, pp. 97-161.
LINKS
Table of n, a(n) for n=1..5.
CROSSREFS
Cf.
A160870
.
Sequence in context:
A352887
A230218
A301934
*
A263187
A213628
A088716
Adjacent sequences:
A160878
A160879
A160880
*
A160882
A160883
A160884
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Nov 15 2009
STATUS
approved
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Last modified March 29 04:59 EDT 2024. Contains 371264 sequences. (Running on oeis4.)