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A346413
Number of labeled totally ordered monoids with n elements.
0
1, 2, 8, 34, 184, 1218, 9742, 92882, 1053248, 14592054
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OFFSET
1,2
COMMENTS
The terms have been computed using the algorithm described in the referenced paper.
LINKS
Table of n, a(n) for n=1..10.
Petr Gajdoš and Martin Kuřil,
Ordered semigroups of size at most 7 and linearly ordered semigroups of size at most 10
, Semigroup Forum, 89 (2014), 639-663.
CROSSREFS
Cf.
A058153
.
Sequence in context:
A268558
A191569
A229812
*
A013026
A121789
A057900
Adjacent sequences:
A346410
A346411
A346412
*
A346414
A346415
A346416
KEYWORD
nonn
,
hard
,
more
AUTHOR
Bianca Newell
, Jul 15 2021
STATUS
approved
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Last modified August 27 12:59 EDT 2024. Contains 375469 sequences. (Running on oeis4.)