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

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

Offset

1,2

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

Links

Table of n, a(n) for n=1..7.

Mathematica

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

Prog

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

Crossrefs

Cf. A024152, A072180, A109387.

Sequence in context: A116524 A053404 A295794 * A123827 A105796 A226051

Adjacent sequences: A122000 A122001 A122002 * A122004 A122005 A122006

Keyword

more,nonn

Author

Alexander Adamchuk, Sep 12 2006

Extensions

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

a(7) from Donovan Johnson, Feb 26 2008

Status

approved