A058154 - OEIS

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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

(list; graph; refs; listen; history; text; internal format)

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