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

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

Table of n, a(n) for n=1..7.

Eric Weisstein's World of Mathematics, Cocktail Party Graph

Crossrefs

Cf. A007079, A297383.

Sequence in context: A246484 A288027 A184994 * A348162 A132396 A263374

Adjacent sequences: A334551 A334552 A334553 * A334555 A334556 A334557

Keyword

nonn,more

Author

Andrew Howroyd, May 22 2020

Status

approved