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A162295
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Primes of the form k^3-k^2-k-1.
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4
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43, 173, 439, 1571, 3823, 10141, 21139, 38113, 83203, 122449, 154493, 172423, 191689, 433123, 468389, 673639, 1318789, 1392271, 1628989, 2388013, 2608889, 3771923, 4225121, 4546573, 4713239, 4883929, 6609139, 6822709, 7959799
(list;
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listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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Ivan Neretin, Table of n, a(n) for n = 1..10000
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FORMULA
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a(n)=k^3-k^2-k-1 where k=A162294(n).
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EXAMPLE
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a(1)=4^3-4^2-4-1=43. a(2)=6^3-6^2-6-1=173.
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MATHEMATICA
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lst={}; Do[p=n^3-n^2-n-1; If[PrimeQ[p], AppendTo[lst, p]], {n, 2, 6!}]; lst
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CROSSREFS
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Cf. A087908, A162291, A111501, A162293, A162294, A162294 (corresponding k).
Sequence in context: A083357 A158604 A057816 * A187722 A158628 A123597
Adjacent sequences: A162292 A162293 A162294 * A162296 A162297 A162298
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KEYWORD
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nonn
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AUTHOR
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Vladimir Joseph Stephan Orlovsky, Jun 30 2009
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EXTENSIONS
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Edited by R. J. Mathar, Jul 02 2009
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STATUS
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approved
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