Number of labeled commutative monoids of order n with a fixed identity.

A058156

Number of labeled commutative monoids of order n with a fixed identity.

Terms

    a(0) =1a(1) =2a(2) =9a(3) =94a(4) =1486a(5) =38890a(6) =1430442a(7) =77291510a(8) =7826336608

External references