Number of transitive reflexive early confluent binary relations R on n+9 labeled elements with max_{x}(|{y : xRy}|) = n.
A218109
Number of transitive reflexive early confluent binary relations R on n+9 labeled elements with max_{x}(|{y : xRy}|) = n.
Terms
- a(0) =0a(1) =1a(2) =42159238a(3) =106586385708
External references
- oeis: A218109