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A292007 Primes of the form Phi(k, 3), where Phi is the cyclotomic polynomial. 1
2, 13, 7, 1093, 757, 61, 73, 797161, 547, 4561, 368089, 6481, 398581, 2413941289, 530713, 42521761, 23535794707, 47763361, 144542918285300809, 374857981681, 3754733257489862401973357979128773, 282429005041, 82064241848634269407 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Robert Price, Table of n, a(n) for n = 1..39

Yves Gallot, Cyclotomic polynomials and prime numbers

Index entries for cyclotomic polynomials,values at X

MATHEMATICA

Select[Table[Cyclotomic[k, 3], {k, 0, 100}], PrimeQ[#] &]

CROSSREFS

Cf. A138933.

Sequence in context: A211366 A158088 A124869 * A213825 A333493 A244932

Adjacent sequences:  A292004 A292005 A292006 * A292008 A292009 A292010

KEYWORD

nonn

AUTHOR

Robert Price, Sep 07 2017

STATUS

approved

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Last modified May 10 23:31 EDT 2021. Contains 343784 sequences. (Running on oeis4.)