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A307949
Number of (undirected) Hamiltonian paths in the n-transposition graph.
0
0, 1, 36, 27267618816
OFFSET
1,3
LINKS
Eric Weisstein's World of Mathematics, Hamiltonian Path
Eric Weisstein's World of Mathematics, Transposition Graph
FORMULA
a(n) = A276518(n)/2.
CROSSREFS
Cf. A276518.
Sequence in context: A151654 A135240 A252092 * A058432 A058458 A180463
KEYWORD
nonn,hard,more
AUTHOR
Eric W. Weisstein, May 07 2019
STATUS
approved