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A128453 Numbers n such that absolute value of 13^n - n^13 is prime. 6
6, 12, 38, 2540 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

Do[If[PrimeQ[13^n - n^13], Print[n]], {n, 10^4}] - Ryan Propper (rpropper(AT)cs.stanford.edu), Jul 01 2007

CROSSREFS

Cf. A072180, A109387, A117705, A117706, A128447, A128448, A128449, A128450, A128451, A122003, A128454.

Sequence in context: A117596 A096377 A026083 * A185616 A052747 A007121

Adjacent sequences:  A128450 A128451 A128452 * A128454 A128455 A128456

KEYWORD

bref,hard,more,nonn,less

AUTHOR

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

EXTENSIONS

a(4) from Ryan Propper (rpropper(AT)cs.stanford.edu), Jul 01 2007

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Last modified February 16 06:46 EST 2012. Contains 205867 sequences.