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
Keywords
Links
Crossrefs
Cf. A138927.
Programs
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Mathematica
Select[Table[Cyclotomic[k,-3], {k, 0, 100}], PrimeQ[#] &]