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A128448
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Numbers n such that 8^n - n^8 is prime.
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7
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OFFSET
| 1,2
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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]
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CROSSREFS
| Cf. A072180, A109387, A117705, A117706, A128447, A128449, A128450, A128451, A122003, A128453, A128454.
Sequence in context: A162576 A142166 A140719 * A121155 A201117 A081657
Adjacent sequences: A128445 A128446 A128447 * A128449 A128450 A128451
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KEYWORD
| hard,more,nonn
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AUTHOR
| Alexander Adamchuk (alex(AT)kolmogorov.com), Mar 03 2007
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EXTENSIONS
| Two more terms from Donovan Johnson (donovan.johnson(AT)yahoo.com), Feb 26 2008
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