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) =4a(3) =5a(4) =8a(5) =9a(6) =10a(7) =11a(8) =13a(9) =14a(10) =18a(11) =19a(12) =20a(13) =22a(14) =23a(15) =26a(16) =36a(17) =37a(18) =38a(19) =40a(20) =41a(21) =45a(22) =46a(23) =47a(24) =49a(25) =50a(26) =53a(27) =72a(28) =73a(29) =74