a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 27.

A093227

a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 27.

Terms

    a(0) =0a(1) =81a(2) =97297a(3) =9990999a(4) =999009990a(5) =99997299997

External references