A177417 Primes of the form (10^k-57).

43, 9999943, 9999999943, 99999999943, 99999999999999943, 9999999999999999943, 999999999999999999999999999999999999943, 9999999999999999999999999999999999999999999999943, 99999999999999999999999999999999999999999999999943, 9999999999999999999999999999999999999999999999999999999999943

Offset: 1

Author

Vincenzo Librandi, Dec 11 2010

Keywords

• nonn

Crossrefs

Cf. A108493.

Programs

Magma

[a: n in [2..250]|IsPrime(a) where a is 10^n-57];