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A107148
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Primes of the form 2x^2+21y^2.
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2
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2, 23, 29, 53, 71, 149, 191, 197, 239, 263, 317, 359, 389, 431, 557, 599, 653, 701, 743, 821, 863, 911, 1031, 1061, 1103, 1229, 1367, 1373, 1439, 1493, 1583, 1607, 1709, 1733, 1871, 1877, 1901, 1997, 2039, 2069, 2087, 2111, 2207, 2213, 2237
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Discriminant=-168. See A107132 for more information.
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FORMULA
| The primes are congruent to {2, 23, 29, 53, 71, 95, 149} (mod 168). - T. D. Noe (noe(AT)sspectra.com), May 02 2008
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MATHEMATICA
| QuadPrimes[2, 0, 21, 10000] (* see A106856 *)
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CROSSREFS
| Cf. A139827.
Sequence in context: A114549 A034843 A084373 * A062653 A045708 A090150
Adjacent sequences: A107145 A107146 A107147 * A107149 A107150 A107151
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KEYWORD
| nonn,easy
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AUTHOR
| T. D. Noe (noe(AT)sspectra.com), May 13 2005
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