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A058154
Number of labeled monoids of order n with a fixed identity.
2
1, 2, 11, 156, 4122, 208672, 18507440, 7892741602
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..8.
Index entries for sequences related to monoids
CROSSREFS
a(n) =
A058153
(n)/n.
Sequence in context:
A188684
A143875
A245054
*
A275923
A288560
A318173
Adjacent sequences:
A058151
A058152
A058153
*
A058155
A058156
A058157
KEYWORD
nonn
,
hard
,
more
AUTHOR
Christian G. Bower
, Nov 14 2000
EXTENSIONS
a(8) from
Christian G. Bower
, Dec 28 2006
STATUS
approved
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Last modified September 12 16:19 EDT 2024. Contains 375853 sequences. (Running on oeis4.)