22913136730domain: NAppears in sequencesNumber of transitive reflexive early confluent binary relations R on n labeled elements with max_{x}(|{y : xRy}|) = 9.at n=2A218099Number of transitive reflexive early confluent binary relations R on n+2 labeled elements with max_{x}(|{y : xRy}|) = n.at n=9A218112