1-digit numbers arranged in alphabetical order, then the 2-digit numbers arranged in alphabetical order, then the 3-digit numbers, etc.

A000052

1-digit numbers arranged in alphabetical order, then the 2-digit numbers arranged in alphabetical order, then the 3-digit numbers, etc.

Terms

    a(0) =8a(1) =5a(2) =4a(3) =9a(4) =1a(5) =7a(6) =6a(7) =3a(8) =2a(9) =0a(10) =18a(11) =80a(12) =88a(13) =85a(14) =84a(15) =89a(16) =81a(17) =87a(18) =86a(19) =83a(20) =82a(21) =11a(22) =15a(23) =50a(24) =58a(25) =55a(26) =54a(27) =59a(28) =51a(29) =57

External references