Numbers whose base-7 representation Sum_{i=0..m} d(i)*7^i has d(0) < d(1) > d(2) < ...

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =14a(8) =15a(9) =21a(10) =22a(11) =23a(12) =28a(13) =29a(14) =30a(15) =31a(16) =35a(17) =36a(18) =37a(19) =38a(20) =39a(21) =42a(22) =43a(23) =44a(24) =45a(25) =46a(26) =47a(27) =63a(28) =64a(29) =70