A058134 Number of asymmetric commutative monoids (semigroups with identity) of order n.

1, 2, 4, 13, 49, 247, 1486

Offset

1,2

Links

Table of n, a(n) for n=1..7.

Index entries for sequences related to monoids

Crossrefs

Sequence in context: A268951 A290722 A341378 * A246012 A069730 A072605

Adjacent sequences: A058131 A058132 A058133 * A058135 A058136 A058137

Keyword

nonn,more

Author

Christian G. Bower, Nov 13 2000

Status

approved