One of the basic cycles in the x->3x-1 (x odd) or x/2 (x even) problem.

Terms

a(0) =5a(1) =14a(2) =7a(3) =20a(4) =10a(5) =5a(6) =14a(7) =7a(8) =20a(9) =10a(10) =5a(11) =14a(12) =7a(13) =20a(14) =10a(15) =5a(16) =14a(17) =7a(18) =20a(19) =10a(20) =5a(21) =14a(22) =7a(23) =20a(24) =10a(25) =5a(26) =14a(27) =7a(28) =20a(29) =10