A291994 Primes of the form Phi(k, -6), where Phi is the cyclotomic polynomial.

31, 37, 43, 1297, 46441, 51828151, 55987, 1950271, 2527867231, 1678321, 3655688315536801, 189491931189200021056951, 1822428931, 412482688627178079807598675848631, 4760317816590150361, 534577564460822791430647883899825591, 7369130657357778596659

Offset: 1

Author

Robert Price, Sep 07 2017

Keywords

• nonn

Links

• Robert Price, Table of n, a(n) for n = 1..26
• Yves Gallot, Cyclotomic polynomials and prime numbers
• Index entries for cyclotomic polynomials,values at X

Crossrefs

Cf. A138924.

Programs

Mathematica

Select[Table[Cyclotomic[k,-6], {k, 0, 100}], PrimeQ[#] &]