a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 30.

A093230

a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 30.

Terms

    a(0) =0a(1) =900a(2) =99000a(3) =9990000a(4) =999900000a(5) =99999000000

External references