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A307926
Number of (undirected) Hamiltonian cycles in the n-halved cube graph.
0
0, 3, 744, 986959440, 312829871511322359060480
OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Halved Cube Graph
Eric Weisstein's World of Mathematics, Hamiltonian Cycle
FORMULA
a(n) = A281255(n)/2.
CROSSREFS
Cf. A281255.
Sequence in context: A332173 A119264 A381326 * A172895 A259369 A259371
KEYWORD
nonn,hard,more
AUTHOR
Eric W. Weisstein, May 06 2019
STATUS
approved