Non-crossing, non-nesting, 3-colored set partitions.
A225029
Non-crossing, non-nesting, 3-colored set partitions.
Terms
- a(0) =1a(1) =4a(2) =19a(3) =103a(4) =616a(5) =3949a(6) =26545a(7) =184120a(8) =1303135a(9) =9341191a(10) =67490044a(11) =489978217a(12) =3567727441a(13) =26024391436a(14) =190036459099
External references
- oeis: A225029