Numbers k such that 10^k + 109 is prime.
A258933
Numbers k such that 10^k + 109 is prime.
Terms
- a(0) =3a(1) =5a(2) =41a(3) =357a(4) =395a(5) =479a(6) =645a(7) =2637a(8) =8853a(9) =11529a(10) =20087a(11) =27443a(12) =30635
External references
- oeis: A258933