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A307926 Number of (undirected) Hamiltonian cycles in the n-halved cube graph. 0
0, 3, 744, 986959440, 312829871511322359060480 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..5.

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

Adjacent sequences:  A307923 A307924 A307925 * A307927 A307928 A307929

KEYWORD

nonn,hard,more

AUTHOR

Eric W. Weisstein, May 06 2019

STATUS

approved

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Last modified February 25 11:37 EST 2020. Contains 332233 sequences. (Running on oeis4.)