A174270 - OEIS

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A174270

Primes p such that 17^p - 16 is also prime.

%I #15 Nov 21 2022 01:35:58

%S 11,127,149,25679

%N Primes p such that 17^p - 16 is also prime.

%F A034922 INTERSECT A000040. - _R. J. Mathar_, Jul 06 2010

%e For p=11, 17^11 - 16 = 34271896307617 which is prime.

%o (Magma) [ p: p in PrimesUpTo(2000)| IsPrime(17^p-16)]

%Y Cf. A000040, A034922.

%K nonn,bref

%O 1,1

%A _Vincenzo Librandi_, Mar 14 2010

%E a(4) from _Michael S. Branicky_, Nov 20 2022 using A034922