Number of rooted trees where any 2 subtrees extending from the same node have a different number of nodes.
A032305
Number of rooted trees where any 2 subtrees extending from the same node have a different number of nodes.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =6a(6) =12a(7) =25a(8) =51a(9) =111a(10) =240a(11) =533a(12) =1181a(13) =2671a(14) =6014a(15) =13795a(16) =31480a(17) =72905a(18) =168361a(19) =393077a(20) =914784a(21) =2150810a(22) =5040953a(23) =11914240a(24) =28089793a(25) =66702160a(26) =158013093a(27) =376777192a(28) =896262811a(29) =2144279852
External references
- oeis: A032305