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 A173552 Numbers n such that 5+38*n^2 is a prime. 4
 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 REFERENCES Legendre, Adrien-Marie: Zahlentheorie, (Maser H. transl.), Teubner Verlag, Leipzig 1893, No. 253, p. 326f. LINKS Bruno Berselli, Table of n, a(n) for n = 1..1000 MATHEMATICA Select[Range[0, 150], PrimeQ[5+38#^2]&] (* Harvey P. Dale, Dec 27 2012 *) PROG (MAGMA) [n: n in [0..300] | IsPrime(5+38*n^2)]; // Vincenzo Librandi, Mar 10 2010 CROSSREFS Cf. A173553, A173554 (associated primes), A173555. Sequence in context: A001959 A263135 A119930 * A188010 A008320 A004439 Adjacent sequences:  A173549 A173550 A173551 * A173553 A173554 A173555 KEYWORD nonn,easy AUTHOR Vincenzo Librandi, Feb 21 2010 EXTENSIONS Offset corrected and entries recomputed by Alonso del Arte and N. J. A. Sloane, Jun 18 2010 STATUS approved

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Last modified May 6 03:18 EDT 2021. Contains 343580 sequences. (Running on oeis4.)