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A007521
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Primes of form 8n+5.
(Formerly M3828)
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34
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5, 13, 29, 37, 53, 61, 101, 109, 149, 157, 173, 181, 197, 229, 269, 277, 293, 317, 349, 373, 389, 397, 421, 461, 509, 541, 557, 613, 653, 661, 677, 701, 709, 733, 757, 773, 797, 821, 829, 853, 877, 941, 997, 1013, 1021, 1061, 1069, 1093, 1109
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Primes of the form 4x^2-4xy+5y^2 with x and y nonnegative. - T. D. Noe (noe(AT)sspectra.com), May 08 2005
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REFERENCES
| 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.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
| 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
| Select[Prime[Range[500]], IntegerQ[(#-5)/8]&]
Select[8Range[0, 160]+5, PrimeQ] (* From Harvey P. Dale, Apr 22 2011 *)
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PROG
| (PARI) list(lim)=select(n->n%8==5, primes(primepi(lim))) \\ Charles R Greathouse IV, Jul 25 2011
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CROSSREFS
| Sequence in context: A133204 A152658 A100877 * A078598 A155054 A158756
Adjacent sequences: A007518 A007519 A007520 * A007522 A007523 A007524
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KEYWORD
| nonn,easy,nice
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Robert G. Wilson v (rgwv(AT)rgwv.com)
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