Number of ternary rooted trees with n nodes and height exactly 12.

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) =0a(12) =1a(13) =11a(14) =76a(15) =403a(16) =1817a(17) =7309a(18) =27079a(19) =94252a(20) =312620a(21) =998058a(22) =3090168a(23) =9331500a(24) =27604348a(25) =80270182a(26) =230077622a(27) =651469482a(28) =1825536305a(29) =5069886635