a(n) = S(n) + c(n) where S(n) = [ (3/2)^n ] and c is the complement of S.

Terms

a(0) =5a(1) =8a(2) =11a(3) =14a(4) =17a(5) =23a(6) =30a(7) =39a(8) =53a(9) =73a(10) =104a(11) =148a(12) =214a(13) =312a(14) =459a(15) =679a(16) =1009a(17) =1503a(18) =2243a(19) =3353a(20) =5016a(21) =7511a(22) =11253a(23) =16866a(24) =25284a(25) =37910a(26) =56850a(27) =85258a(28) =127871a(29) =191790