Numbers whose decimal and hexadecimal representations both have strictly decreasing digits.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =7a(8) =8a(9) =9a(10) =10a(11) =32a(12) =50a(13) =64a(14) =65a(15) =80a(16) =81a(17) =82a(18) =83a(19) =84a(20) =96a(21) =97a(22) =98a(23) =210a(24) =54320a(25) =54321a(26) =64320a(27) =64321a(28) =65210a(29) =764210