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Search: id:A107154
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| A107154 |
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Primes of the form 3x^2+16y^2. |
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+0
6
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| 3, 19, 43, 67, 139, 163, 211, 283, 307, 331, 379, 499, 523, 547, 571, 619, 643, 691, 739, 787, 811, 859, 883, 907, 1051, 1123, 1171, 1291, 1459, 1483, 1531, 1579, 1627, 1699, 1723, 1747, 1867, 1987, 2011, 2083, 2131, 2179, 2203, 2251, 2347, 2371
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OFFSET
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1,1
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COMMENT
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Discriminant=-192. See A107132 for more information.
Except for 3, also primes of the forms 4x^2+4xy+19y^2 and 16x^2+8xy+19y^2. See A140633. - T. D. Noe (noe(AT)sspectra.com), May 19 2008
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FORMULA
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Appears to be primes of the form 19+24k and 3. - T. D. Noe, Apr 24 2008
Except for 3, the primes are congruent to 19 (mod 24). - T. D. Noe (noe(AT)sspectra.com), May 02 2008
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CROSSREFS
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Cf. A139827.
Sequence in context: A042371 A141170 A141373 this_sequence A031393 A103145 A100694
Adjacent sequences: A107151 A107152 A107153 this_sequence A107155 A107156 A107157
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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 13 2005
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