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A291992
Primes of the form Phi(k, -8), where Phi is the cyclotomic polynomial.
1
73, 18837001, 262657, 77158673929, 5302306226370307681801, 6113142872404227834840443898241613032969, 9368364192635570536820270641094526818432914571726884941545525447306194544364947298173904481801
OFFSET
1,1
MATHEMATICA
Select[Table[Cyclotomic[k, -8], {k, 3, 100}], PrimeQ[#] &]
CROSSREFS
Cf. A138922.
Sequence in context: A291991 A188957 A159438 * A076848 A289853 A000319
KEYWORD
nonn
AUTHOR
Robert Price, Sep 07 2017
STATUS
approved