Number of series-reduced planted compound windmills with n leaves of 2 colors where any 2 submills extending from the same node are different.
A032163
Number of series-reduced planted compound windmills with n leaves of 2 colors where any 2 submills extending from the same node are different.
Terms
- a(0) =2a(1) =1a(2) =2a(3) =6a(4) =18a(5) =63a(6) =232a(7) =868a(8) =3338a(9) =13105a(10) =52270a(11) =210822a(12) =859528a(13) =3535424a(14) =14654628a(15) =61150659a(16) =256674992a(17) =1083008336a(18) =4590945532a(19) =19542842196a(20) =83504907276a(21) =358032884540
External references
- oeis: A032163