A259265 Primes of the form Phi(5,n!), where Phi is the cyclotomic polynomial.

5, 5, 31, 346201, 209102521, 6813584502670671709484968734757499815278649237224386797415881735111285309440001

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