a(n) is the largest number that can be obtained by deleting n digits from A007908(n).

A366393

a(n) is the largest number that can be obtained by deleting n digits from A007908(n).

Terms

    a(0) =9a(1) =91a(2) =912a(3) =9213a(4) =92314a(5) =931415a(6) =9341516a(7) =94151617a(8) =945161718a(9) =9516171819a(10) =95617181920a(11) =961718192021

External references