Numbers k > 0 such that (10^(k+2) + 666)*10^k + 1 is prime.
A156166
Numbers k > 0 such that (10^(k+2) + 666)*10^k + 1 is prime.
Terms
- a(0) =1a(1) =14a(2) =43a(3) =507a(4) =609a(5) =2473a(6) =2624a(7) =28292a(8) =181299
External references
- oeis: A156166