OFFSET
0,3
LINKS
A. Distler and T. Kelsey, The semigroups of order 9 and their automorphism groups, arXiv preprint arXiv:1301.6023 [math.CO], 2013.
CROSSREFS
KEYWORD
nonn,hard
AUTHOR
Christian G. Bower, Nov 09 2000. Updated Feb 19 2001.
EXTENSIONS
a(8)-a(9) added from the Distler-Kelsey reference by Andrew Howroyd, Jan 26 2022
STATUS
approved