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A292011
Primes of the form Phi(k, 7), where Phi is the cyclotomic polynomial.
1
2801, 43, 16148168401, 117307, 11898664849, 13564461457, 6568801, 29078814248401, 13841169553, 3421093417510114543, 33232924804801, 79787519018560501, 1628413557556843, 5457586804596062091175455674392801, 402488219476647465854701
OFFSET
1,1
MATHEMATICA
Select[Table[Cyclotomic[k, 7], {k, 0, 100}], PrimeQ[#] &]
CROSSREFS
Cf. A138937.
Sequence in context: A210104 A235276 A115471 * A306849 A022233 A102170
KEYWORD
nonn
AUTHOR
Robert Price, Sep 07 2017
STATUS
approved