Primes of the form identical digits followed by a 9.
A090148
Primes of the form identical digits followed by a 9.
Terms
- a(0) =19a(1) =29a(2) =59a(3) =79a(4) =89a(5) =229a(6) =449a(7) =11119a(8) =22229a(9) =44449a(10) =111119a(11) =444449a(12) =11111119a(13) =55555559a(14) =555555555559
External references
- oeis: A090148