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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A291992 Primes of the form Phi(k, -8), where Phi is the cyclotomic polynomial. 1
73, 18837001, 262657, 77158673929, 5302306226370307681801, 6113142872404227834840443898241613032969, 9368364192635570536820270641094526818432914571726884941545525447306194544364947298173904481801 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Robert Price, Table of n, a(n) for n = 1..9

Yves Gallot, Cyclotomic polynomials and prime numbers

Index entries for cyclotomic polynomials,values at X

MATHEMATICA

Select[Table[Cyclotomic[k, -8], {k, 3, 100}], PrimeQ[#] &]

CROSSREFS

Cf. A138922.

Sequence in context: A291991 A188957 A159438 * A076848 A289853 A000319

Adjacent sequences: A291989 A291990 A291991 * A291993 A291994 A291995

KEYWORD

nonn

AUTHOR

Robert Price, Sep 07 2017

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 3 00:23 EST 2022. Contains 358510 sequences. (Running on oeis4.)