A323132 Number of uncrossed unrooted knight's paths of length n on an infinite board.

1, 6, 25, 160, 966, 6018, 37079, 227357

Offset: 1

Author

Hugo Pfoertner, Jan 05 2019

Keywords

• nonn
• walk
• more
• hard

Comments

Paths which are equivalent under rotation, reflection or reversal are counted only once.

Examples

			See illustrations at Pfoertner link.
		

Links

• Hugo Pfoertner, Illustrations of unrooted uncrossed knight's paths of length <= 4, (2019).

Crossrefs

Cf. A003192, A001334, A151541, A272773, A306178, A323131, A323133, A323134.