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A070520 Prime numbers of form p=Cyclotomic[n,n]. 2
3, 13, 17, 31, 9091, 20593, 7027567, 109912203092239643840221, 568972471024107865287021434301977158534824481, 3726767253346131780312487317315864271 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..10.

MATHEMATICA

Do[s=Cyclotomic[n, n]; If[PrimeQ[s], Print[s]], {n, 2, 256}]; output = the prime value

Select[Table[Cyclotomic[n, n], {n, 300}], PrimeQ] (* Harvey P. Dale, Dec 06 2012 *)

CROSSREFS

Cf. A070518, A070519.

Sequence in context: A216535 A045434 A166567 * A018579 A006486 A070518

Adjacent sequences:  A070517 A070518 A070519 * A070521 A070522 A070523

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), May 02 2002

STATUS

approved

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Last modified May 25 11:46 EDT 2013. Contains 225647 sequences.