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Search: id:A154264
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| A154264 |
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Numbers n such that 9*n^2-10*n+3 is prime |
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+0
2
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| 0, 1, 2, 4, 8, 14, 22, 26, 28, 34, 38, 44, 46, 50, 52, 68, 70, 82, 86, 88, 100, 112, 118, 122, 124, 140, 146, 148, 152, 158, 170, 182, 188, 190, 196, 212, 224, 232, 236, 248, 256, 278, 280, 284, 286, 290, 292, 298
(list; graph; listen)
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OFFSET
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1,3
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EXAMPLE
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For n=0, 9*n^2-10*n+3=3; n=1, 9*n^2-10*n+3=2; n=2, 9*n^2-10*n+3=19; n=4, 9*n^2-10*n+3=107
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MATHEMATICA
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lst={}; Do[p=9*n^2-10*n+3; If[PrimeQ[p], AppendTo[lst, n]], {n, 0, 7!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Feb 21 2009]
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CROSSREFS
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Cf. A154261
Sequence in context: A140164 A160730 A132425 this_sequence A155506 A014206 A025196
Adjacent sequences: A154261 A154262 A154263 this_sequence A154265 A154266 A154267
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KEYWORD
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nonn
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AUTHOR
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Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Feb 21 2009
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