Number of transitive reflexive early confluent binary relations R on n+4 labeled elements with max_{x}(|{y : xRy}|) = n.
A218104
Number of transitive reflexive early confluent binary relations R on n+4 labeled elements with max_{x}(|{y : xRy}|) = n.
Terms
- a(0) =0a(1) =1a(2) =1821a(3) =141533a(4) =4798983a(5) =124878033a(6) =3068829477a(7) =75967708311
External references
- oeis: A218104