Number of numbers whose base-3/2 expansion (see A024629) has n digits.

Terms

a(0) =3a(1) =3a(2) =3a(3) =6a(4) =9a(5) =12a(6) =18a(7) =27a(8) =42a(9) =63a(10) =93a(11) =141a(12) =210a(13) =315a(14) =474a(15) =711a(16) =1065a(17) =1599a(18) =2397a(19) =3597a(20) =5394a(21) =8091a(22) =12138a(23) =18207a(24) =27309a(25) =40965a(26) =61446a(27) =92169a(28) =138255a(29) =207381