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A334554 Number of Eulerian orientations in the n-cocktail party graph. 0

%I

%S 1,2,38,6936,14747896,394274110160,138804098924751280

%N Number of Eulerian orientations in the n-cocktail party graph.

%C An Eulerian orientation of a graph is an orientation of the edges such that every vertex has in-degree equal to out-degree.

%C The corresponding sequence for the complete graph on 2n+1 vertices is A007079.

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/CocktailPartyGraph.html">Cocktail Party Graph</a>

%Y Cf. A007079, A297383.

%K nonn,more

%O 1,2

%A _Andrew Howroyd_, May 22 2020

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Last modified January 23 03:15 EST 2022. Contains 350504 sequences. (Running on oeis4.)