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A126438
Primes of the form n^9-n-1.
2
509, 262139, 10077689, 387420479, 68719476719, 118587876479, 1207269217769, 7625597484959, 10578455953379, 129961739795039, 327381934393919, 1628413597910399, 1953124999999949, 5416169448144839, 10077695999999939
OFFSET
1,1
LINKS
MATHEMATICA
k = 9; a = {}; Do[If[PrimeQ[x^k - x - 1], AppendTo[a, x^k - x - 1]], {x, 1, 100}]; a
Select[Table[n^9-n-1, {n, 100}], PrimeQ] (* Harvey P. Dale, Mar 09 2016 *)
KEYWORD
nonn
AUTHOR
Artur Jasinski, Dec 26 2006
STATUS
approved