A292012 Primes of the form Phi(k, 8), where Phi is the cyclotomic polynomial.

7, 73, 262657, 18837001, 77158673929, 5302306226370307681801, 328017025014102923449988663752960080886511412965881, 6113142872404227834840443898241613032969, 34175792320105064276509600649933535697253970335472049142780400956425111741139140798213387072831489

Offset

1,1

Links

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, 0, 100}], PrimeQ[#] &]

Crossrefs

Cf. A138938.

Sequence in context: A134281 A360934 A215612 * A051154 A172257 A367179

Adjacent sequences: A292009 A292010 A292011 * A292013 A292014 A292015

Keyword

nonn

Author

Robert Price, Sep 07 2017

Status

approved