OFFSET
2,1
COMMENTS
Number of 2-sets of transformations, up to conjugation, generating a transitive semigroup on n points that contains a constant transformation.
LINKS
Jakub Kowalski and Marek Szykuła, The Černý conjecture for small automata: experimental report, arxiv preprint, January 2013.
James Mitchell, Semigroups data (contains links to files containing the 2-element sets of transformations on n points (up to conjugation) which generate a transitive semigroup containing a constant transformation).
CROSSREFS
KEYWORD
nonn,more
AUTHOR
James Mitchell, Jul 29 2014
STATUS
approved