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Search: id:A003628
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| A003628 |
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Primes congruent to {5, 7} mod 8.
(Formerly M3764)
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+0
8
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| 5, 7, 13, 23, 29, 31, 37, 47, 53, 61, 71, 79, 101, 103, 109, 127, 149, 151, 157, 167, 173, 181, 191, 197, 199, 223, 229, 239, 263, 269, 271, 277, 293, 311, 317, 349, 359, 367, 373, 383, 389, 397, 421, 431, 439
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Inert rational primes in Q(sqrt -2).
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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).
H. Hasse, Number Theory, Springer-Verlag, NY, 1980, p. 498.
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CROSSREFS
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Sequence in context: A022319 A167798 A165815 this_sequence A105874 A105904 A038901
Adjacent sequences: A003625 A003626 A003627 this_sequence A003629 A003630 A003631
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KEYWORD
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nonn,easy,nice
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Mira Bernstein
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