Number of transitive reflexive early confluent binary relations R on n+1 labeled elements with max_{x}(|{y : xRy}|) = n.
A218111
Number of transitive reflexive early confluent binary relations R on n+1 labeled elements with max_{x}(|{y : xRy}|) = n.
Terms
- a(0) =0a(1) =1a(2) =12a(3) =106a(4) =1035a(5) =11301a(6) =137774a(7) =1863044a(8) =27733869a(9) =451238935a(10) =7972318200a(11) =152065270974
External references
- oeis: A218111