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) =5a(3) =10a(4) =11a(5) =19a(6) =20a(7) =23a(8) =46a(9) =47a(10) =50a(11) =91a(12) =92a(13) =100a(14) =101a(15) =104a(16) =172a(17) =173a(18) =181a(19) =182a(20) =185a(21) =208a(22) =209a(23) =212a(24) =415a(25) =416a(26) =424a(27) =425a(28) =428a(29) =451