Number of minimal plane trees with n terminal nodes.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =1a(5) =3a(6) =1a(7) =6a(8) =2a(9) =3a(10) =1a(11) =20a(12) =1a(13) =3a(14) =3a(15) =54a(16) =1a(17) =34a(18) =1a(19) =44a(20) =3a(21) =3a(22) =1a(23) =764a(24) =2a(25) =3a(26) =10a(27) =140a(28) =1a(29) =283