A323134 - OEIS

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A323134

Number of polygons made of uncrossed knight's paths of length 2*n on an infinite board.

4

0, 3, 13, 178, 3031, 64866

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..6.

Hugo Pfoertner, Illustrations of uncrossed Knight's path polygons, (2019).

EXAMPLE

See Pfoertner link.

CROSSREFS

Cf. A003192, A157416, A258206, A266549, A284869, A316198.

Sequence in context: A261361 A114317 A168320 * A368499 A081299 A117808

Adjacent sequences: A323131 A323132 A323133 * A323135 A323136 A323137

KEYWORD

nonn,hard,more

AUTHOR

Hugo Pfoertner, Jan 05 2019

STATUS

approved