Smallest n-digit prime containing only digits 1 and 7, or 0 if no such prime exists.
A036934
Smallest n-digit prime containing only digits 1 and 7, or 0 if no such prime exists.
Terms
- a(0) =7a(1) =11a(2) =0a(3) =1117a(4) =11117a(5) =0a(6) =1111711a(7) =11111117a(8) =0a(9) =1111117171a(10) =11111111771a(11) =0a(14) =0a(17) =0a(20) =0
External references
- oeis: A036934