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A248383
Number of n-strand braids of length at most 3 in the dual monoid B_n^{+*}.
0
1, 5, 177, 2856, 147855, 9845829
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..6.
Philippe Biane, Patrick Dehornoy,
Dual Garside structure of braids and free cumulants of products
, arXiv:1407.1604 [math.CO], (7-July-2014)
CROSSREFS
Cf.
A000108
,
A168344
,
A248382
-
A248386
.
Sequence in context:
A052272
A111515
A157204
*
A200796
A241115
A208196
Adjacent sequences:
A248380
A248381
A248382
*
A248384
A248385
A248386
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Oct 15 2014
STATUS
approved
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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)