Matula-Goebel numbers of lone-child-avoiding achiral rooted trees.

Terms

a(0) =1a(1) =4a(2) =8a(3) =16a(4) =32a(5) =49a(6) =64a(7) =128a(8) =256a(9) =343a(10) =361a(11) =512a(12) =1024a(13) =2048a(14) =2401a(15) =2809a(16) =4096a(17) =6859a(18) =8192a(19) =16384a(20) =16807a(21) =17161a(22) =32768a(23) =51529a(24) =65536a(25) =96721a(26) =117649a(27) =130321a(28) =131072a(29) =148877