A292004 Primes of the form Phi(k, -3), where Phi is the cyclotomic polynomial.

7, 61, 13, 547, 73, 398581, 1093, 757, 23535794707, 6481, 797161, 4561, 374857981681, 530713, 42521761, 368089, 82064241848634269407, 47763361, 105919308797935444986721, 2413941289, 282429005041, 56495392933101222275861053369, 150094634909578633

Offset: 1

Author

Robert Price, Sep 07 2017

Keywords

• nonn

Links

• Robert Price, Table of n, a(n) for n = 1..38
• Yves Gallot, Cyclotomic polynomials and prime numbers
• Index entries for cyclotomic polynomials,values at X

Crossrefs

Cf. A138927.

Programs

Mathematica

Select[Table[Cyclotomic[k,-3], {k, 0, 100}], PrimeQ[#] &]