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A139851
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Primes of the form 4x^2+4xy+29y^2.
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3
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29, 37, 53, 109, 149, 197, 277, 317, 373, 389, 421, 541, 557, 613, 653, 701, 709, 757, 821, 877, 1061, 1093, 1117, 1213, 1229, 1373, 1381, 1429, 1453, 1493, 1549, 1597, 1621, 1709, 1733, 1789, 1877, 1901, 1933, 1997, 2053, 2069, 2213, 2221, 2237
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OFFSET
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1,1
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COMMENTS
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Discriminant=-448. See A139827 for more information.
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LINKS
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Vincenzo Librandi and Ray Chandler, Table of n, a(n) for n = 1..10000 [First 1000 terms from Vincenzo Librandi]
N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)
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FORMULA
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The primes are congruent to {29, 37, 53} (mod 56).
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MATHEMATICA
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QuadPrimes2[4, -4, 29, 10000] (* see A106856 *)
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PROG
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(Magma) [ p: p in PrimesUpTo(3000) | p mod 56 in {29, 37, 53}]; // Vincenzo Librandi, Jul 29 2012
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CROSSREFS
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Sequence in context: A031925 A325058 A107134 * A139895 A304688 A341174
Adjacent sequences: A139848 A139849 A139850 * A139852 A139853 A139854
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KEYWORD
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nonn,easy
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AUTHOR
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T. D. Noe, May 02 2008
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STATUS
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approved
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