Numbers whose Collatz trajectory is a Sidon sequence.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =21a(6) =32a(7) =42a(8) =64a(9) =85a(10) =128a(11) =151a(12) =170a(13) =227a(14) =256a(15) =302a(16) =341a(17) =454a(18) =512a(19) =682a(20) =1024a(21) =1365a(22) =2048a(23) =2730a(24) =4096a(25) =5461a(26) =8192a(27) =10922a(28) =14563a(29) =16384