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A323134
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Number of polygons made of uncrossed knight's paths of length 2*n on an infinite board.
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4
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OFFSET
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1,2
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LINKS
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Table of n, a(n) for n=1..6.
Hugo Pfoertner, Illustrations of uncrossed Knight's path polygons, (2019).
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EXAMPLE
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See Pfoertner link.
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CROSSREFS
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Cf. A003192, A157416, A258206, A266549, A284869, A316198.
Sequence in context: A261361 A114317 A168320 * A081299 A117808 A002065
Adjacent sequences: A323131 A323132 A323133 * A323135 A323136 A323137
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KEYWORD
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nonn,hard,more
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AUTHOR
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Hugo Pfoertner, Jan 05 2019
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STATUS
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approved
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