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Number of Hamiltonian cycle decompositions of the complete graph on 2n+1 vertices.
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%I #5 Jan 08 2019 14:12:10

%S 1,6,960,40037760

%N Number of Hamiltonian cycle decompositions of the complete graph on 2n+1 vertices.

%H Douglas S. Stones, <a href="http://mathoverflow.net/questions/10577/hamilton-cycle-decompositions-of-the-complete-graph">Hamiltonian cycle decompositions of the complete graph</a>. MathOverflow.

%K bref,hard,more,nonn

%O 1,2

%A _Max Alekseyev_, Jun 28 2010

%E a(1)-a(4) were computed by Douglas S. Stones.