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

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =6a(5) =7a(6) =10a(7) =11a(8) =15a(9) =20a(10) =21a(11) =24a(12) =25a(13) =26a(14) =28a(15) =29a(16) =30a(17) =31a(18) =40a(19) =41a(20) =42a(21) =44a(22) =45a(23) =46a(24) =47a(25) =60a(26) =61a(27) =62a(28) =63a(29) =80