A058138 - OEIS

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A058138

Monoids of order n with 2 idempotents.

1

1, 3, 9, 32, 219, 5585

(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 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