A291992 Primes of the form Phi(k, -8), where Phi is the cyclotomic polynomial.

73, 18837001, 262657, 77158673929, 5302306226370307681801, 6113142872404227834840443898241613032969, 9368364192635570536820270641094526818432914571726884941545525447306194544364947298173904481801

Offset

1,1

Links

Robert Price, Table of n, a(n) for n = 1..9

Yves Gallot, Cyclotomic polynomials and prime numbers

Index entries for cyclotomic polynomials,values at X

Mathematica

Select[Table[Cyclotomic[k, -8], {k, 3, 100}], PrimeQ[#] &]

Crossrefs

Cf. A138922.

Sequence in context: A188957 A159438 A384414 * A076848 A289853 A000319

Adjacent sequences: A291989 A291990 A291991 * A291993 A291994 A291995

Keyword

nonn

Author

Robert Price, Sep 07 2017

Status

approved