Odd numbers producing 6 odd numbers in the Collatz iteration.

Terms

a(0) =7a(1) =15a(2) =29a(3) =61a(4) =117a(5) =241a(6) =245a(7) =267a(8) =469a(9) =483a(10) =497a(11) =535a(12) =537a(13) =965a(14) =981a(15) =985a(16) =995a(17) =1069a(18) =1073a(19) =1075a(20) =1877a(21) =1933a(22) =1969a(23) =1971a(24) =1989a(25) =2009a(26) =2141a(27) =2147a(28) =2149a(29) =3861