For n not divisible by 10 and using as many leading zeros as needed, smallest number whose inverse has only digits of n in its period.
A181431
For n not divisible by 10 and using as many leading zeros as needed, smallest number whose inverse has only digits of n in its period.
Terms
- a(0) =9a(1) =45a(2) =3a(3) =225a(4) =18a(5) =15a(6) =142857a(7) =1125a(8) =11a(9) =909a(10) =825a(11) =76923a(12) =714285a(13) =66a(14) =61875a(16) =55a(18) =47619a(19) =4545a(21) =4125a(22) =396a(23) =384615a(24) =37a(25) =3571425
External references
- oeis: A181431