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A224539
Number of pairs of elements of the full transformational monoid T_n on {1,...,n} which generate a synchronizing monoid.
1
1, 12, 549, 51520, 8063385, 1871446896
OFFSET
1,2
COMMENTS
This is an analog for T_n of sequence A071605 (or A040175) for the symmetric group S_n.
REFERENCES
P. J. Cameron, Dixon's theorem and random synchronization, Discrete Math., 313 (2013), 1233-1246. (a(1)-a(6) were computed by James Mitchell.)
CROSSREFS
Sequence in context: A373900 A163046 A193381 * A210816 A133415 A192602
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Apr 29 2013
STATUS
approved