a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 18.

A093218

a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 18.

Terms

    a(0) =0a(1) =900a(2) =99000a(3) =8892880288

External references