a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 70.
A093270
a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 70.
Terms
- a(0) =0a(1) =700a(2) =77000a(3) =7770000a(4) =777700000a(5) =77777000000
External references
- oeis: A093270