A358712 Number of self-avoiding closed paths on an n X 6 grid which pass through four corners ((0,0), (0,5), (n-1,5), (n-1,0)).

1, 17, 229, 3105, 44930, 674292, 10217420, 154980130, 2350703747, 35658264301, 540957030465, 8206939419403

Offset: 2

Author

Seiichi Manyama, Nov 28 2022

Keywords

• nonn
• more

Comments

Also number of self-avoiding closed paths on a 6 X n grid which pass through four corners ((0,0), (0,5), (n-1,5), (n-1,0)).

Crossrefs

Column k=6 of A333513.

Cf. A358697.