A297383 Number of Eulerian cycles in the n-cocktail party graph.

1, 372, 923750400, 45753948775891501056, 117025810110454721307910368374292480

Offset

2,2

Links

Table of n, a(n) for n=2..6.

Eric Weisstein's World of Mathematics, Cocktail Party Graph

Eric Weisstein's World of Mathematics, Eulerian Cycle

Crossrefs

Sequence in context: A203439 A265235 A202912 * A361344 A248799 A139659

Adjacent sequences: A297380 A297381 A297382 * A297384 A297385 A297386

Keyword

nonn,more

Author

Eric W. Weisstein, Dec 29 2017

Extensions

a(4) from Andrew Howroyd, Jan 11 2018

a(5)-a(6) from Max Alekseyev, Feb 17 2024

Status

approved