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A334554
Number of Eulerian orientations in the n-cocktail party graph.
0
1, 2, 38, 6936, 14747896, 394274110160, 138804098924751280
OFFSET
1,2
COMMENTS
An Eulerian orientation of a graph is an orientation of the edges such that every vertex has in-degree equal to out-degree.
The corresponding sequence for the complete graph on 2n+1 vertices is A007079.
LINKS
Eric Weisstein's World of Mathematics, Cocktail Party Graph
CROSSREFS
Sequence in context: A246484 A288027 A184994 * A348162 A132396 A263374
KEYWORD
nonn,more
AUTHOR
Andrew Howroyd, May 22 2020
STATUS
approved