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A259265 Primes of the form Phi(5,n!), where Phi is the cyclotomic polynomial. 8
5, 5, 31, 346201, 209102521, 6813584502670671709484968734757499815278649237224386797415881735111285309440001 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

These primes are neither sorted nor uniqued. They are listed in the order found in A259264.

LINKS

Table of n, a(n) for n=1..6.

OEIS Wiki, Cyclotomic Polynomials at x=sigma(n)

MATHEMATICA

Select[Table[Cyclotomic[5, n!], {n, 0, 200}], PrimeQ]

CROSSREFS

Cf. A200906.

Sequence in context: A106830 A265798 A259264 * A270221 A270689 A270278

Adjacent sequences:  A259262 A259263 A259264 * A259266 A259267 A259268

KEYWORD

nonn

AUTHOR

Robert Price, Jun 22 2015

STATUS

approved

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Last modified January 26 11:05 EST 2020. Contains 331279 sequences. (Running on oeis4.)