Number of binary rooted trees with n nodes and height at most 9.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =6a(6) =11a(7) =23a(8) =46a(9) =98a(10) =206a(11) =441a(12) =928a(13) =1951a(14) =4046a(15) =8349a(16) =17062a(17) =34703a(18) =70112a(19) =141071a(20) =282420a(21) =563333a(22) =1119020a(23) =2215310a(24) =4369699a(25) =8591513a(26) =16836216a(27) =32891454a(28) =64057841a(29) =124388194