A306283 Number of (undirected) Hamiltonian paths on the 7 X n knight graph.

0, 0, 52, 6378, 622868, 389969466, 82787609160, 20666425060328, 2903212163753000, 1025241126020698238

Offset: 1

Author

Seiichi Manyama, Feb 03 2019

Keywords

• nonn
• more

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), A306281 (6 X n), this sequence (7 X n).

Extensions

a(8)-a(10) from Valentin Gubarev, Dec 23 2024