Smallest n-digit prime containing only the digits 7 and 8, or 0 if no such prime exists.
A036949
Smallest n-digit prime containing only the digits 7 and 8, or 0 if no such prime exists.
Terms
- a(0) =7a(1) =0a(2) =787a(3) =7877a(4) =78787a(5) =777787a(6) =7778777a(7) =77778887a(8) =777788887a(9) =7777778887a(10) =77777778887a(11) =777777777877
External references
- oeis: A036949