3x - 1 sequence starting at 66.

Terms

a(0) =66a(1) =33a(2) =98a(3) =49a(4) =146a(5) =73a(6) =218a(7) =109a(8) =326a(9) =163a(10) =488a(11) =244a(12) =122a(13) =61a(14) =182a(15) =91a(16) =272a(17) =136a(18) =68a(19) =34a(20) =17a(21) =50a(22) =25a(23) =74a(24) =37a(25) =110a(26) =55a(27) =164a(28) =82a(29) =41