Matula-Goebel numbers of semi-lone-child-avoiding rooted identity trees.

Terms

a(0) =1a(1) =2a(2) =6a(3) =26a(4) =39a(5) =78a(6) =202a(7) =303a(8) =334a(9) =501a(10) =606a(11) =794a(12) =1002a(13) =1191a(14) =1313a(15) =2171a(16) =2382a(17) =2462a(18) =2626a(19) =3693a(20) =3939a(21) =3998a(22) =4342a(23) =4486a(24) =5161a(25) =5997a(26) =6513a(27) =6729a(28) =7162a(29) =7386