A261487 Primes of the form Phi(7,n!), where Phi is the cyclotomic polynomial.

7, 127, 55987, 58301791288260114251803544692993535976160443849938371660801

Offset

1,1

Links

Table of n, a(n) for n=1..4.

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

Mathematica

Select[Table[Cyclotomic[7, n!], {n, 0, 200}], PrimeQ]

Crossrefs

Cf. A053716, A200906, A258357, A259264, A259265.

Sequence in context: A020516 A253851 A077585 * A134722 A053713 A077586

Adjacent sequences: A261484 A261485 A261486 * A261488 A261489 A261490

Keyword

nonn

Author

Robert Price, Aug 20 2015

Status

approved