Number of asymmetric forests with n nodes.

Terms

a(0) =1a(1) =1a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =1a(8) =2a(9) =4a(10) =9a(11) =21a(12) =44a(13) =96a(14) =206a(15) =450a(16) =981a(17) =2159a(18) =4757a(19) =10571a(20) =23563a(21) =52835a(22) =118939a(23) =269047a(24) =610878a(25) =1392677a(26) =3186001a(27) =7313882a(28) =16842202a(29) =38900699