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A292009
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Primes of the form Phi(k, 5), where Phi is the cyclotomic polynomial.
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1
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31, 19531, 521, 12207031, 601, 305175781, 390001, 234750601, 177635683940025046467781066894531, 152587500001, 227376585863531112677002031251, 59509429687890001, 11735415506748076408140121, 9080418348371887359375390001, 60081451169922001
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OFFSET
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1,1
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LINKS
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Robert Price, Table of n, a(n) for n = 1..32
Yves Gallot, Cyclotomic polynomials and prime numbers
Index entries for cyclotomic polynomials,values at X
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MATHEMATICA
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Select[Table[Cyclotomic[k, 5], {k, 0, 100}], PrimeQ[#] &]
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CROSSREFS
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Cf. A138935.
Sequence in context: A074218 A161395 A215610 * A086122 A239167 A263585
Adjacent sequences: A292006 A292007 A292008 * A292010 A292011 A292012
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KEYWORD
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nonn
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AUTHOR
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Robert Price, Sep 07 2017
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STATUS
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approved
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