A122003 Numbers n such that A024152(n) = 12^n - n^12 is prime.

1, 13, 25, 325, 833, 2087, 29773

Offset: 1

Author

Alexander Adamchuk, Sep 12 2006

Keywords

• more
• nonn

Comments

Corresponding primes of the form A024152[n] = 12^n - n^12 are {11,83695120256591,953962166381085484825907807,...}.

a(8) > 50000. - Michael S. Branicky, Oct 01 2024

Crossrefs

Cf. A024152, A072180, A109387.

Programs

Mathematica

Do[f=12^n-n^12;If[PrimeQ[f],Print[{n,f}]],{n,1,833}]

PARI

is(n)=isprime(12^n-n^12) \\ Charles R Greathouse IV, Feb 17 2017

Extensions

a(6) from Robert G. Wilson v, Sep 14 2006

a(7) from Donovan Johnson, Feb 26 2008