a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 20.
A093220
a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 20.
Terms
- a(0) =0a(1) =800a(2) =98000a(3) =9980000a(4) =999800000a(5) =99998000000
External references
- oeis: A093220