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

1,1

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

Mathematica

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

Crossrefs

Cf. A138924.

Sequence in context: A073521 A180540 A279846 * A255223 A230225 A129998

Adjacent sequences: A291991 A291992 A291993 * A291995 A291996 A291997

Keyword

nonn

Author

Robert Price, Sep 07 2017

Status

approved