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Search: id:A059425
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| A059425 |
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Primes of form n^2 + 19n + 17. |
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+0
1
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| 17, 37, 59, 83, 109, 137, 167, 199, 233, 269, 307, 347, 389, 433, 479, 577, 683, 739, 797, 857, 919, 983, 1049, 1117, 1187, 1259, 1409, 1487, 1567, 1733, 1907, 1997, 2089, 2377, 2477, 2579, 2683, 2789, 2897, 3119, 3467, 3709, 3833, 4217, 4349, 4483
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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0<=n<=14 gives primes.
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EXAMPLE
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a(3)=83=3^2+19*3+17 is in the sequence because it is prime. a(15)=527 is not because 527=17*31.
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MAPLE
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with(numtheory): for n from 0 to 300 do if isprime(n^2 + 19*n + 17) then printf(`%d, `, n^2 + 19*n + 17) fi; od:
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MATHEMATICA
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lst={}; Do[p=n^2+19*n+17; If[PrimeQ[p], AppendTo[lst, p]], {n, 0, 6!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 28 2009]
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CROSSREFS
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Sequence in context: A098849 A075698 A165493 this_sequence A146328 A161549 A146348
Adjacent sequences: A059422 A059423 A059424 this_sequence A059426 A059427 A059428
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KEYWORD
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nonn
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AUTHOR
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A. Joha (A.S.J.R.Joha(AT)student.tbm.tudelft.nl), Jan 31 2001
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EXTENSIONS
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More terms from James A. Sellers (sellersj(AT)math.psu.edu), Feb 03 2001
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