|
|
A262297
|
|
Length of longest chain of nonempty proper inverse subsemigroups of the monoid of partial injective orientation-preserving functions of a chain with n elements.
|
|
0
|
|
|
|
OFFSET
|
1,2
|
|
LINKS
|
P. J. Cameron, M. Gadouleau, J. D. Mitchell, Y. Peresse, Chains of subsemigroups, arXiv preprint arXiv:1501.06394 [math.GR], 2015.
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,more
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|