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A058138
Monoids of order n with 2 idempotents.
1
1, 3, 9, 32, 219, 5585
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OFFSET
2,2
LINKS
Table of n, a(n) for n=2..7.
Index entries for sequences related to monoids
CROSSREFS
Column 2 of
A058137
.
Sequence in context:
A009356
A341302
A297209
*
A327808
A284964
A344247
Adjacent sequences:
A058135
A058136
A058137
*
A058139
A058140
A058141
KEYWORD
nonn
,
more
AUTHOR
Christian G. Bower
, Nov 14 2000
STATUS
approved
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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)