A292004 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A292004

Primes of the form Phi(k, -3), where Phi is the cyclotomic polynomial.

1

7, 61, 13, 547, 73, 398581, 1093, 757, 23535794707, 6481, 797161, 4561, 374857981681, 530713, 42521761, 368089, 82064241848634269407, 47763361, 105919308797935444986721, 2413941289, 282429005041, 56495392933101222275861053369, 150094634909578633

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

OFFSET

1,1

LINKS

Robert Price, Table of n, a(n) for n = 1..38

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

Sequence in context: A316124 A358323 A156545 * A157871 A043085 A079672

Adjacent sequences: A292001 A292002 A292003 * A292005 A292006 A292007

KEYWORD

nonn

AUTHOR

Robert Price, Sep 07 2017

STATUS

approved