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A307948
Number of (undirected) Hamiltonian paths in the n-folded cube graph.
0
1, 12, 576, 1006080, 28102446858240
OFFSET
2,2
COMMENTS
The 5-folded cube graph and 2-Keller graph are isomorphic (to the Clebsch graph), so a(5) is also the number of undirected Hamiltonian paths in the 2-Keller graph.
LINKS
Eric Weisstein's World of Mathematics, Folded Cube Graph
Eric Weisstein's World of Mathematics, Hamiltonian Path
FORMULA
a(n) = A137887(n)/2.
CROSSREFS
Cf. A137887.
Sequence in context: A316977 A283490 A159722 * A042111 A159644 A217390
KEYWORD
nonn,hard,more
AUTHOR
Eric W. Weisstein, May 07 2019
STATUS
approved