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A128450 Numbers n such that absolute value of 10^n - n^10 is prime. +0
7
3, 9, 273, 399 (list; graph; listen)
OFFSET

1,1

MATHEMATICA

lst={}; k=10; 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, A128448, A128449, A128451, A122003, A128453, A128454.

Sequence in context: A027891 A073889 A132516 this_sequence A132562 A144984 A137036

Adjacent sequences: A128447 A128448 A128449 this_sequence A128451 A128452 A128453

KEYWORD

hard,more,nonn,less

AUTHOR

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

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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