Number of ternary rooted trees with n nodes and height exactly 11.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =0a(10) =0a(11) =1a(12) =10a(13) =64a(14) =316a(15) =1336a(16) =5065a(17) =17774a(18) =58840a(19) =186322a(20) =569740a(21) =1694449a(22) =4927345a(23) =14067397a(24) =39554994a(25) =109815312a(26) =301618216a(27) =820875862a(28) =2216564889a(29) =5944589510