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 A154648 Primes of the form n^2 - 13. 5
 3, 23, 131, 311, 563, 887, 1283, 2903, 5171, 7043, 8087, 9203, 10391, 12983, 14387, 19031, 28211, 34583, 39191, 41603, 44087, 46643, 51971, 57587, 76163, 86423, 101111, 108887, 125303, 129587, 138371, 142871, 161591, 171383, 191831, 197123 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Primes of the form 4n^2 - 8n - 9. LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..3000 EXAMPLE For n=3, a(3)=3; n=7, a(7)=131; n=241, a(241)=230387 MATHEMATICA Select[Range[4, 1000]^2-13, PrimeQ] PROG (MAGMA) [a: n in [4..600] | IsPrime(a) where a is n^2-13]; CROSSREFS Cf. A154650 Sequence in context: A122883 A196424 A091055 * A031970 A196881 A049164 Adjacent sequences:  A154645 A154646 A154647 * A154649 A154650 A154651 KEYWORD nonn,easy AUTHOR Vincenzo Librandi, Jan 18 2009 EXTENSIONS Edited by N. J. A. Sloane, Jun 23 2010 STATUS approved

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Last modified June 26 03:36 EDT 2022. Contains 354871 sequences. (Running on oeis4.)