Number of commutative inverse monoids of order n.
A234845
Number of commutative inverse monoids of order n.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =11a(4) =27a(5) =87a(6) =300a(7) =1259a(8) =5988a(9) =32812a(10) =202784a(11) =1400541a(12) =10669344a(13) =88761928a(14) =799112310
External references
- oeis: A234845