Number of binary rooted trees with n nodes and height at most 5.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =6a(6) =10a(7) =17a(8) =25a(9) =38a(10) =52a(11) =73a(12) =93a(13) =121a(14) =143a(15) =172a(16) =187a(17) =205a(18) =202a(19) =201a(20) =177a(21) =158a(22) =123a(23) =99a(24) =66a(25) =47a(26) =26a(27) =17a(28) =7a(29) =4