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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Robert Price, Table of n, a(n) for n = 1..25

Yves Gallot, Cyclotomic polynomials and prime numbers

Index entries for cyclotomic polynomials,values at X

MATHEMATICA

Select[Table[Cyclotomic[k, 7], {k, 0, 100}], PrimeQ[#] &]

CROSSREFS

Cf. A138937.

Sequence in context: A210104 A235276 A115471 * A306849 A022233 A102170

Adjacent sequences:  A292008 A292009 A292010 * A292012 A292013 A292014

KEYWORD

nonn

AUTHOR

Robert Price, Sep 07 2017

STATUS

approved

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Last modified March 29 15:16 EDT 2020. Contains 333107 sequences. (Running on oeis4.)