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A201261
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Primes of the form n^3 + 7.
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1
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7, 71, 223, 5839, 13831, 46663, 64007, 262151, 287503, 438983, 830591, 884743, 1481551, 1643039, 2985991, 3375007, 5268031, 5639759, 5832007, 8998919, 11852359, 14886943, 15625007, 18399751, 19683007, 28652623, 29791007, 76225031, 77308783
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OFFSET
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1,1
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COMMENTS
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Infinite under the Bateman-Horn-Stemmler conjecture. - Charles R Greathouse IV, Jul 13 2012
Old name was "Primes of the form 8*n^3 + 7".
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LINKS
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Vincenzo Librandi and Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
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MATHEMATICA
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Select[Table[n^3 + 7, {n, 0, 298, 2}], PrimeQ]
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PROG
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(MAGMA) [a: n in [0..300] | IsPrime(a) where a is 8*n^3+7];
(PARI) select(isprime, vector(1000, n, 8*(n-1)^3+7)) \\ Charles R Greathouse IV, Jul 13 2012
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CROSSREFS
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Sequence in context: A142037 A087390 A142928 * A069634 A069619 A137443
Adjacent sequences: A201258 A201259 A201260 * A201262 A201263 A201264
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KEYWORD
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nonn,easy
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AUTHOR
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Vincenzo Librandi, Nov 29 2011
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EXTENSIONS
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Name simplified by Alex Ratushnyak, Apr 06 2013
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STATUS
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approved
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