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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
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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
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Last modified April 24 07:17 EDT 2024. Contains 371920 sequences. (Running on oeis4.)