Cycles of rooted trees t where for each t all subtrees at root are distinct. n is total number of nodes.
A052817
Cycles of rooted trees t where for each t all subtrees at root are distinct. n is total number of nodes.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =3a(4) =6a(5) =10a(6) =22a(7) =43a(8) =97a(9) =211a(10) =481a(11) =1090a(12) =2535a(13) =5870a(14) =13774a(15) =32383a(16) =76607a(17) =181709a(18) =432865a(19) =1033657a(20) =2475869a(21) =5943440a(22) =14300623a(23) =34475031a(24) =83266498a(25) =201441441a(26) =488098768a(27) =1184353854a(28) =2877625762a(29) =7000359245
External references
- oeis: A052817