A222406 Number of isomorphism types of automorphism groups of semigroups of order n.

1, 2, 3, 5, 10, 14, 24, 38, 65

Offset: 1

Author

N. J. A. Sloane, Feb 19 2013

Keywords

• nonn
• more
• hard
• nice

Links

• A. Distler and T. Kelsey, The semigroups of order 9 and their automorphism groups, arXiv preprint arXiv:1301.6023 [math.CO], 2013.

Crossrefs

Cf. A174511.