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A291994 Primes of the form Phi(k, -6), where Phi is the cyclotomic polynomial. 1
31, 37, 43, 1297, 46441, 51828151, 55987, 1950271, 2527867231, 1678321, 3655688315536801, 189491931189200021056951, 1822428931, 412482688627178079807598675848631, 4760317816590150361, 534577564460822791430647883899825591, 7369130657357778596659 (list; graph; refs; listen; history; text; internal format)
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

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Last modified August 17 12:30 EDT 2022. Contains 356189 sequences. (Running on oeis4.)