Number of finite, negative, Archimedean, totally ordered monoids of size n (semi-groups with a neutral element that is also the top element).
A253949
Number of finite, negative, Archimedean, totally ordered monoids of size n (semi-groups with a neutral element that is also the top element).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =8a(5) =44a(6) =333a(7) =3543a(8) =54954a(9) =1297705a(10) =47542371
External references
- oeis: A253949