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

7, 127, 55987, 58301791288260114251803544692993535976160443849938371660801

Offset: 1

Author

Robert Price, Aug 20 2015

Keywords

• nonn

Links

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

Crossrefs

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

Programs

Mathematica

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