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A160877 Regular coverings having dihedral voltage groups: see Kwak-Lee reference in A160870 for precise definition. 0
0, 3, 84, 1680, 29760 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..5.

CROSSREFS

Sequence in context: A140158 A160875 A081542 * A160880 A261008 A217524

Adjacent sequences:  A160874 A160875 A160876 * A160878 A160879 A160880

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Nov 15 2009

STATUS

approved

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Last modified May 22 21:17 EDT 2019. Contains 323504 sequences. (Running on oeis4.)