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) =6a(4) =7a(5) =15a(6) =16a(7) =30a(8) =33a(9) =34a(10) =57a(11) =60a(12) =61a(13) =69a(14) =70a(15) =138a(16) =141a(17) =142a(18) =150a(19) =151a(20) =273a(21) =276a(22) =277a(23) =300a(24) =303a(25) =304a(26) =312a(27) =313a(28) =516a(29) =519