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A173552
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Numbers n such that 5+38*n^2 is a prime.
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4
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0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 16, 17, 19, 21, 22, 23, 24, 26, 29, 31, 32, 33, 34, 36, 37, 38, 39, 48, 49, 53, 54, 56, 58, 59, 61, 62, 63, 64, 66, 71, 77, 78, 79, 82, 83, 84, 86, 88, 93, 96, 99, 104, 106, 108, 114, 116, 118, 119, 122, 123, 129, 134, 136
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listen;
history;
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OFFSET
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1,3
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REFERENCES
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Legendre, Adrien-Marie: Zahlentheorie, (Maser H. transl.), Teubner Verlag, Leipzig 1893, No. 253, p. 326f.
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LINKS
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Bruno Berselli, Table of n, a(n) for n = 1..1000
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MATHEMATICA
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Select[Range[0, 150], PrimeQ[5+38#^2]&] (* Harvey P. Dale, Dec 27 2012 *)
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PROG
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(Magma) [n: n in [0..300] | IsPrime(5+38*n^2)]; // Vincenzo Librandi, Mar 10 2010
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CROSSREFS
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Cf. A173553, A173554 (associated primes), A173555.
Sequence in context: A001959 A263135 A119930 * A188010 A350349 A008320
Adjacent sequences: A173549 A173550 A173551 * A173553 A173554 A173555
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KEYWORD
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nonn,easy
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AUTHOR
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Vincenzo Librandi, Feb 21 2010
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EXTENSIONS
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Offset corrected and entries recomputed by Alonso del Arte and N. J. A. Sloane, Jun 18 2010
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STATUS
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approved
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