Number of ternary rooted trees with n nodes and height exactly 8.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =1a(9) =7a(10) =34a(11) =129a(12) =432a(13) =1320a(14) =3807a(15) =10505a(16) =28094a(17) =73290a(18) =187579a(19) =472612a(20) =1175580a(21) =2892389a(22) =7050272a(23) =17045235a(24) =40913418a(25) =97571239a(26) =231337744a(27) =545590039a(28) =1280487083a(29) =2991833084