3x+1 sequence starting at 27.

Terms

a(0) =27a(1) =82a(2) =41a(3) =124a(4) =62a(5) =31a(6) =94a(7) =47a(8) =142a(9) =71a(10) =214a(11) =107a(12) =322a(13) =161a(14) =484a(15) =242a(16) =121a(17) =364a(18) =182a(19) =91a(20) =274a(21) =137a(22) =412a(23) =206a(24) =103a(25) =310a(26) =155a(27) =466a(28) =233a(29) =700