Numbers whose base-5 representation Sum_{i=0..m} d(i)*5^i has d(m) < d(m-1) > d(m-2) < ...

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =7a(5) =8a(6) =9a(7) =13a(8) =14a(9) =19a(10) =35a(11) =36a(12) =40a(13) =41a(14) =42a(15) =45a(16) =46a(17) =47a(18) =48a(19) =65a(20) =66a(21) =67a(22) =70a(23) =71a(24) =72a(25) =73a(26) =95a(27) =96a(28) =97a(29) =98