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Search: id:A139859
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| A139859 |
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Primes of the form 11x^2+2xy+11y^2. |
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+0
2
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| 11, 59, 131, 179, 251, 419, 491, 659, 971, 1019, 1091, 1259, 1451, 1499, 1571, 1619, 1811, 1931, 1979, 2099, 2339, 2411, 2459, 2531, 2579, 2699, 2819, 2939, 3011, 3251, 3299, 3371, 3491, 3539, 3659, 3779, 3851, 4019, 4091, 4139, 4211, 4259
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-480. See A139827 for more information.
Also primes of the forms 11x^2+4xy+44y^2, 11x^2+10xy+35y^2 and 11x^2+8xy+56y^2. See A140633. - T. D. Noe (noe(AT)sspectra.com), May 19 2008
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FORMULA
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The primes are congruent to {11, 59} (mod 120).
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MATHEMATICA
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Union[QuadPrimes[11, 2, 11, 10000], QuadPrimes[11, -2, 11, 10000]] (* see A106856 *)
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CROSSREFS
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Sequence in context: A165977 A048524 A142401 this_sequence A164299 A082884 A077036
Adjacent sequences: A139856 A139857 A139858 this_sequence A139860 A139861 A139862
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KEYWORD
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nonn,easy
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AUTHOR
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T. D. Noe (noe(AT)sspectra.com), May 02 2008
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