A058153 - OEIS

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A058153

Number of labeled monoids of order n.

5

1, 4, 33, 624, 20610, 1252032, 129552080, 63141932606

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..8.

Eric Postpischil, Posting to sci.math newsgroup, May 21 1990

Index entries for sequences related to monoids

CROSSREFS

a(n) = A058154(n)*n.

Sequence in context: A072754 A225609 A113086 * A020197 A102959 A057959

Adjacent sequences: A058150 A058151 A058152 * A058154 A058155 A058156

KEYWORD

nonn,more

AUTHOR

Christian G. Bower, Nov 14 2000

EXTENSIONS

a(8) from Christian G. Bower, Dec 28 2006

STATUS

approved