Number of transitive reflexive early confluent binary relations R on n labeled elements with max_{x}(|{y : xRy}|) = 4.

A218094

Number of transitive reflexive early confluent binary relations R on n labeled elements with max_{x}(|{y : xRy}|) = 4.

Terms

    a(0) =75a(1) =1035a(2) =16025a(3) =267715a(4) =4798983a(5) =92374107a(6) =1913052805a(7) =42483670075

External references