A292011 Primes of the form Phi(k, 7), where Phi is the cyclotomic polynomial.

2801, 43, 16148168401, 117307, 11898664849, 13564461457, 6568801, 29078814248401, 13841169553, 3421093417510114543, 33232924804801, 79787519018560501, 1628413557556843, 5457586804596062091175455674392801, 402488219476647465854701

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