Number of transitive reflexive early confluent binary relations R on n labeled elements where |{y : xRy}| <= 7 for all x.
A210915
Number of transitive reflexive early confluent binary relations R on n labeled elements where |{y : xRy}| <= 7 for all x.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =26a(4) =243a(5) =2992a(6) =45906a(7) =845287a(8) =17637091a(9) =412976516a(10) =10702355041a(11) =304058582059
External references
- oeis: A210915