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#23 by N. J. A. Sloane at Sun Jul 14 13:53:59 EDT 2019
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#22 by N. J. A. Sloane at Sun Jul 14 13:53:57 EDT 2019
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| MATHEMATICA
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QuadPrimes2[12, -12, 23, 10000] (* see A106856 *)
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| PROG
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(MAGMA) [ p: p in PrimesUpTo(6000) | p mod 120 in [23, 47]]; // Vincenzo Librandi, Jul 31 2012
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| STATUS
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approved
editing
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#21 by N. J. A. Sloane at Sun Jul 14 13:53:32 EDT 2019
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#20 by N. J. A. Sloane at Sun Jul 14 13:53:29 EDT 2019
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| NAME
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Primes of the form 12x^2+12xy+23y^2.
Duplicate of A139857.
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| COMMENTS
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Discriminant=-960. See A139827 for more information.
Duplicate of A139857 (see Table II in Jagy & Kaplansky); to be merged. - Hugo Pfoertner, Jul 14 2019
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| LINKS
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Vincenzo Librandi and Ray Chandler, <a href="/A139900/b139900.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi]
N. J. A. Sloane et al., <a href="https://oeis.org/wiki/Binary_Quadratic_Forms_and_OEIS">Binary Quadratic Forms and OEIS</a> (Index to related sequences, programs, references)
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| FORMULA
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The primes are congruent to {23, 47} (mod 120).
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| KEYWORD
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nonn,easy,changed
dead
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| AUTHOR
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T. D. Noe, May 02 2008
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| STATUS
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proposed
editing
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#19 by Hugo Pfoertner at Sun Jul 14 12:26:55 EDT 2019
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Discussion
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| Sun Jul 14
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| N. J. A. Sloane: I will merge the entries
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#18 by Hugo Pfoertner at Sun Jul 14 12:26:23 EDT 2019
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| COMMENTS
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Duplicate of A139857 (see Table II in Jagy & Kaplansky); to be merged. - Hugo Pfoertner, Jul 14 2019
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| STATUS
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approved
editing
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#17 by N. J. A. Sloane at Tue Aug 05 14:16:30 EDT 2014
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| MATHEMATICA
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NON1234QuadPrimes2[12, -12, 23, 10000] (* see A106856 *)
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Discussion
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| Tue Aug 05
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| OEIS Server: https://oeis.org/edit/global/2285
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#16 by N. J. A. Sloane at Tue Aug 05 14:13:34 EDT 2014
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| MATHEMATICA
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QuadPrimes2NON1234[12, -12, 23, 10000] (* see A106856 *)
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Discussion
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| Tue Aug 05
| 14:13
| OEIS Server: https://oeis.org/edit/global/2283
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#15 by OEIS Server at Thu Jul 31 10:22:55 EDT 2014
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| LINKS
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Vincenzo Librandi and Ray Chandler, <a href="/A139900/b139900_1.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi]
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#14 by Ray Chandler at Thu Jul 31 10:22:55 EDT 2014
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Discussion
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| Thu Jul 31
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| OEIS Server: Installed new b-file as b139900.txt. Old b-file is now b139900_1.txt.
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