Number of 6-ary rooted trees with n nodes and height exactly 9.
A036647
Number of 6-ary rooted trees with n nodes and height exactly 9.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =1a(10) =8a(11) =43a(12) =188a(13) =728a(14) =2593a(15) =8698a(16) =27890a(17) =86384a(18) =260360a(19) =767802a(20) =2224500a(21) =6351734a(22) =17917830a(23) =50031879a(24) =138496032a(25) =380530622a(26) =1038804643a(27) =2819830134a(28) =7616354584a(29) =20480875544
External references
- oeis: A036647