Smallest number x such that phi(x)=A000010(x) has exactly n different decimal digits.
A081716
Smallest number x such that phi(x)=A000010(x) has exactly n different decimal digits.
Terms
- a(0) =2a(1) =11a(2) =103a(3) =1033a(4) =10247a(5) =102359a(6) =1023487a(7) =10234759a(8) =102345979a(9) =1023475969
External references
- oeis: A081716