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A306281
Number of (undirected) Hamiltonian paths on the 6 X n knight graph.
3
0, 0, 0, 744, 18784, 3318960, 389969466, 24964893804, 1770631206422, 143827657320448, 10668015492137018
OFFSET
1,4
LINKS
Eric Weisstein's World of Mathematics, Hamiltonian Path
Eric Weisstein's World of Mathematics, Knight Graph
CROSSREFS
Cf. A169696 (3 X n), A079137 (4 X n), A083386 (5 X n), this sequence (6 X n), A306283 (7 X n), A308131 (n X n).
Sequence in context: A331674 A235252 A268891 * A210178 A192731 A288261
KEYWORD
nonn,more
AUTHOR
Seiichi Manyama, Feb 03 2019
EXTENSIONS
a(8)-a(11) from Andrew Howroyd, Oct 14 2019
STATUS
approved