A058145 Number of self-converse monoids of order n with 2 idempotents.

1, 3, 9, 28, 131, 1081

Offset

2,2

Links

Table of n, a(n) for n=2..7.

Index entries for sequences related to monoids

Crossrefs

Column 2 of A058144.

Sequence in context: A121656 A148937 A047137 * A218915 A258064 A161590

Adjacent sequences: A058142 A058143 A058144 * A058146 A058147 A058148

Keyword

nonn,more

Author

Christian G. Bower, Nov 14 2000

Status

approved