Iterates of f(x)=floor((3x-1)/2) from x=6.

Terms

a(0) =6a(1) =8a(2) =11a(3) =16a(4) =23a(5) =34a(6) =50a(7) =74a(8) =110a(9) =164a(10) =245a(11) =367a(12) =550a(13) =824a(14) =1235a(15) =1852a(16) =2777a(17) =4165a(18) =6247a(19) =9370a(20) =14054a(21) =21080a(22) =31619a(23) =47428a(24) =71141a(25) =106711a(26) =160066a(27) =240098a(28) =360146a(29) =540218