Numbers whose base-3 representation Sum_{i=0..m} d(i)*3^i has d(0) <= d(1) >= d(2) <= ...

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =7a(6) =8a(7) =12a(8) =13a(9) =15a(10) =16a(11) =17a(12) =24a(13) =25a(14) =26a(15) =27a(16) =30a(17) =31a(18) =33a(19) =34a(20) =35a(21) =39a(22) =40a(23) =42a(24) =43a(25) =44a(26) =54a(27) =57a(28) =58a(29) =60