login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

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: A100407 A332173 A119264 * A172895 A259369 A259371
KEYWORD
nonn,hard,more
AUTHOR
Eric W. Weisstein, May 06 2019
STATUS
approved