Numbers whose base-4 representation Sum_{i=0..m} d(i)*4^i has d(0) >= d(1) <= d(2) >= ...

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =6a(5) =7a(6) =10a(7) =11a(8) =15a(9) =16a(10) =17a(11) =18a(12) =19a(13) =21a(14) =22a(15) =23a(16) =32a(17) =33a(18) =34a(19) =35a(20) =37a(21) =38a(22) =39a(23) =42a(24) =43a(25) =48a(26) =49a(27) =50a(28) =51a(29) =53