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Search: id:A007520
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| A007520 |
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Primes == 3 (mod 8).
(Formerly M2882)
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+0
13
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| 3, 11, 19, 43, 59, 67, 83, 107, 131, 139, 163, 179, 211, 227, 251, 283, 307, 331, 347, 379, 419, 443, 467, 491, 499, 523, 547, 563, 571, 587, 619, 643, 659, 683, 691, 739, 787, 811, 827, 859, 883, 907, 947, 971, 1019, 1051, 1091, 1123, 1163, 1171, 1187
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Primes of the form 3x^2+2xy+3y^2 with x and y in Z. - T. D. Noe (noe(AT)sspectra.com), May 07 2005
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 870.
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LINKS
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T. D. Noe, Table of n, a(n) for n=1..1000
M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].
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MATHEMATICA
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lst={}; Do[p=8*n+3; If[PrimeQ[p], AppendTo[lst, p]], {n, 0, 10^3}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Aug 22 2008]
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CROSSREFS
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Sequence in context: A161429 A079544 A163183 this_sequence A163851 A116945 A048270
Adjacent sequences: A007517 A007518 A007519 this_sequence A007521 A007522 A007523
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Robert G. Wilson v (rgwv(AT)rgwv.com)
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