A383219 Number of nilpotent semigroups by order, up to isomorphism and anti-isomorphism.
0, 0, 1, 2, 10, 93, 2813, 616830, 1833587417, 52972875977730
Offset: 0
Links
- Andreas Distler, Classification and Enumeration of Finite Semigroups, PhD Thesis, University of St. Andrews, (2010).
Crossrefs
Cf. A001423.