A058111 Number of semigroups of order n with 3 idempotents.

10, 72, 590, 5422, 61323

Offset

3,1

Links

Table of n, a(n) for n=3..7.

Index entries for sequences related to semigroups

Crossrefs

Column 3 of A058108.

Sequence in context: A138782 A155606 A181671 * A223120 A240275 A181402

Adjacent sequences: A058108 A058109 A058110 * A058112 A058113 A058114

Keyword

nonn,hard

Author

Christian G. Bower, Nov 09 2000

Extensions

Updated Feb 19 2001

Status

approved