Smallest n-digit prime containing only the digits 7 and 9, or 0 if no such prime exists.
A036950
Smallest n-digit prime containing only the digits 7 and 9, or 0 if no such prime exists.
Terms
- a(0) =7a(1) =79a(2) =797a(3) =0a(4) =77797a(5) =777977a(6) =7777997a(7) =77779799a(8) =777777799a(9) =7777779799a(10) =77777779979a(11) =777777779777
External references
- oeis: A036950