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Number of labeled totally ordered monoids with n elements.
0

%I #14 Aug 24 2021 06:48:15

%S 1,2,8,34,184,1218,9742,92882,1053248,14592054

%N Number of labeled totally ordered monoids with n elements.

%C The terms have been computed using the algorithm described in the referenced paper.

%H Petr Gajdoš and Martin Kuřil, <a href="https://doi.org/10.1007/s00233-014-9602-3">Ordered semigroups of size at most 7 and linearly ordered semigroups of size at most 10</a>, Semigroup Forum, 89 (2014), 639-663.

%Y Cf. A058153.

%K nonn,hard,more

%O 1,2

%A _Bianca Newell_, Jul 15 2021