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

2, 13, 14657

Offset

1,1

Comments

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

Links

Table of n, a(n) for n=1..3.

Prog

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

Crossrefs

Sequence in context: A139519 A306206 A111016 * A280798 A118912 A027680

Adjacent sequences: A176944 A176945 A176946 * A176948 A176949 A176950

Keyword

nonn,hard,bref,more

Author

Vincenzo Librandi, Apr 29 2010

Status

approved