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A058143 revision #2

A058143
Number of commutative monoids of order n with 2 idempotents.
1
1, 3, 9, 26, 98, 455
(list; graph; refs; listen; history; text; internal format)
OFFSET
2,2
LINKS
Table of n, a(n) for n=2..7.
Index entries for sequences related to monoids
CROSSREFS
Column 2 of A058142.
Sequence in context: A148921 A148922 A148923 * * A126025 A317497
Adjacent sequences: A058140 A058141 A058142 * A058144 A058145 A058146
KEYWORD
nonn,more,new
AUTHOR
Christian G. Bower (bowerc(AT)usa.net), Nov 14 2000
STATUS
approved

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Last modified November 7 12:11 EST 2024. Contains 377535 sequences.
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