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Search: id:A116954
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| A116954 |
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Numbers n such that 3*n^3 + 1 is prime. |
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+0
1
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| 4, 10, 14, 16, 18, 20, 30, 36, 38, 48, 54, 58, 64, 70, 74, 86, 96, 106, 120, 140, 150, 154, 166, 170, 174, 176, 180, 200, 230, 234, 244, 260, 266, 268, 288, 296, 300, 304, 306, 308, 324, 330, 338, 340, 346, 348, 368, 384, 388, 394, 396, 406, 408, 434, 438, 440
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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If n=48 then 3*n^3 + 1 = 331777 (prime).
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MATHEMATICA
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Select[Range[2000], PrimeQ[3#^3 + 1] &] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Apr 22 2006
Select[Range[2, 500], PrimeQ[3#^3 + 1] &] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jul 22 2006
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CROSSREFS
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Cf. A089001.
Sequence in context: A101576 A103044 A114719 this_sequence A102686 A099439 A001581
Adjacent sequences: A116951 A116952 A116953 this_sequence A116955 A116956 A116957
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KEYWORD
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nonn,less
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AUTHOR
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Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Apr 20 2006
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EXTENSIONS
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More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Apr 22 2006
More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jul 22 2006
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