Positive numbers k such that (10^(k+2)*109 + 89)/9 is prime.
A287017
Positive numbers k such that (10^(k+2)*109 + 89)/9 is prime.
Terms
- a(0) =5a(1) =13a(2) =41a(3) =107a(4) =3049a(5) =52727
External references
- oeis: A287017
A287017
Positive numbers k such that (10^(k+2)*109 + 89)/9 is prime.