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A323132 Number of uncrossed unrooted knight's paths of length n on an infinite board. 3
1, 6, 25, 160, 966, 6018, 37079, 227357 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

LINKS

Table of n, a(n) for n=1..8.

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

EXAMPLE

See illustrations at Pfoertner link.

CROSSREFS

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

Sequence in context: A200375 A009464 A042529 * A183249 A199008 A090566

Adjacent sequences:  A323129 A323130 A323131 * A323133 A323134 A323135

KEYWORD

nonn,walk,more,hard

AUTHOR

Hugo Pfoertner, Jan 05 2019

STATUS

approved

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Last modified June 16 05:18 EDT 2019. Contains 324145 sequences. (Running on oeis4.)