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A128448 Numbers n such that 8^n - n^8 is prime. +0
7
1, 11, 89, 201, 977, 1351, 3869 (list; graph; listen)
OFFSET

1,2

MATHEMATICA

lst={}; k=8; Do[If[PrimeQ[Abs[k^n-n^k]], AppendTo[lst, n]], {n, 0, 10^4}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Sep 10 2008]

CROSSREFS

Cf. A072180, A109387, A117705, A117706, A128447, A128449, A128450, A128451, A122003, A128453, A128454.

Sequence in context: A162576 A142166 A140719 this_sequence A121155 A081657 A037580

Adjacent sequences: A128445 A128446 A128447 this_sequence A128449 A128450 A128451

KEYWORD

hard,more,nonn

AUTHOR

Alexander Adamchuk (alex(AT)kolmogorov.com), Mar 03 2007

EXTENSIONS

Two more terms from Donovan Johnson (donovan.johnson(AT)yahoo.com), Feb 26 2008

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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