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A292007
Primes of the form Phi(k, 3), where Phi is the cyclotomic polynomial.
1
2, 13, 7, 1093, 757, 61, 73, 797161, 547, 4561, 368089, 6481, 398581, 2413941289, 530713, 42521761, 23535794707, 47763361, 144542918285300809, 374857981681, 3754733257489862401973357979128773, 282429005041, 82064241848634269407
OFFSET
1,1
MATHEMATICA
Select[Table[Cyclotomic[k, 3], {k, 0, 100}], PrimeQ[#] &]
CROSSREFS
Cf. A138933.
Sequence in context: A211366 A158088 A124869 * A213825 A333493 A244932
KEYWORD
nonn
AUTHOR
Robert Price, Sep 07 2017
STATUS
approved