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A153974
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Numbers n such that n^3 - 3 is prime.
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3
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2, 4, 8, 10, 14, 16, 26, 34, 38, 40, 74, 80, 106, 110, 116, 124, 136, 158, 178, 184, 190, 206, 224, 230, 238, 256, 274, 280, 316, 320, 338, 340, 386, 410, 428, 446, 458, 464, 470, 484, 496, 530, 544, 550, 556, 590, 626, 634, 644, 646, 674, 710, 718, 728, 730
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| 2^3 - 3 = 5 is prime, 4^3 - 3 = 61 is prime, ...
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LINKS
| Nathaniel Johnston, Table of n, a(n) for n = 1..10000
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MATHEMATICA
| a[n_]:=n^x-y; lst={}; x=3; y=3; Do[If[PrimeQ[a[n]], AppendTo[lst, n]], {n, 0, 6!}]; lst
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PROG
| (MAGMA) [n: n in [2..500] | IsPrime(n^3-3)] [From Vincenzo Librandi, Nov 26 2010]
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CROSSREFS
| Cf. A028870, A028873, A038599, A108701, A153975.
Sequence in context: A010069 A132895 A125499 * A189670 A034822 A050567
Adjacent sequences: A153971 A153972 A153973 * A153975 A153976 A153977
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KEYWORD
| nonn
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AUTHOR
| Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 03 2009
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EXTENSIONS
| First two terms 0,1, are omitted by Zak Seidov (zakseidov(AT)yahoo.com), Mar 14 2009
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