A297383 - OEIS

%I #14 Feb 17 2024 10:26:53

%S 1,372,923750400,45753948775891501056,

%T 117025810110454721307910368374292480

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

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

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/EulerianCycle.html">Eulerian Cycle</a>

%K nonn,more

%O 2,2

%A _Eric W. Weisstein_, Dec 29 2017

%E a(4) from _Andrew Howroyd_, Jan 11 2018

%E a(5)-a(6) from _Max Alekseyev_, Feb 17 2024