A176947 Primes of the form 11^k + 2^k.

2, 13, 14657

Offset: 1

Author

Vincenzo Librandi, Apr 29 2010

Keywords

• nonn
• bref
• hard

Comments

If a(4) exists, its corresponding k > 10^5. - Michael S. Branicky, Aug 14 2025

Programs

Magma

[ a: n in [0..1500] | IsPrime(a) where a is 11^n+2^n ];