login
A307932
Number of (undirected) Hamiltonian paths in the n-Andrásfai graph.
0
1, 5, 72, 3047, 265034, 42442251, 11193312580, 4549752670983, 2695786727116054, 2234966723808142779
OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Andrásfai Graph
Eric Weisstein's World of Mathematics, Hamiltonian Path
FORMULA
a(n) = A137884(n)/2.
CROSSREFS
Cf. A137884.
Sequence in context: A197324 A197977 A362679 * A136637 A319767 A341670
KEYWORD
nonn,hard,more
AUTHOR
Eric W. Weisstein, May 06 2019
STATUS
approved