Number of rooted compound windmills with n nodes where any 2 submills extending from the same node are different.

A032160

Number of rooted compound windmills with n nodes where any 2 submills extending from the same node are different.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =6a(6) =13a(7) =28a(8) =61a(9) =138a(10) =325a(11) =758a(12) =1804a(13) =4317a(14) =10457a(15) =25484a(16) =62478a(17) =154000a(18) =381494a(19) =949217a(20) =2370840a(21) =5943552a(22) =14946766a(23) =37700390a(24) =95346724a(25) =241744854a(26) =614328965a(27) =1564488480a(28) =3992092421a(29) =10205366192

External references