Perfect Digital Invariant/Examples/4150/Historical Note
Jump to navigation
Jump to search
Historical Note on Perfect Digital Invariant/Examples/4150
In his Curious and Interesting Numbers, 2nd ed. of $1997$, David Wells attributes this result to a certain Lehning, but gives no context.
It remains to identify who this is.
Sources
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $4150$