A058138 Monoids of order n with 2 idempotents.

1, 3, 9, 32, 219, 5585

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