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Search: id:A139944
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| A139944 |
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Primes of the form 6x^2+6xy+61y^2. |
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+0
1
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| 61, 73, 97, 181, 241, 313, 397, 601, 853, 997, 1153, 1321, 1489, 1609, 1669, 1693, 1741, 2029, 2113, 2281, 2341, 2749, 2833, 2917, 2953, 3037, 3121, 3169, 3253, 3373, 3457, 3541, 3709, 3769, 3853, 4177, 4261, 4273, 4357, 4549, 4597, 4801
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-1428. See A139827 for more information.
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FORMULA
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The primes are congruent to {61, 73, 97, 181, 241, 265, 313, 397, 481, 517, 601, 649, 685, 745, 853, 913, 997, 1081, 1153, 1321, 1333, 1357, 1405, 1417} (mod 1428).
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MATHEMATICA
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QuadPrimes[6, -6, 61, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A039478 A109549 A107070 this_sequence A033236 A141457 A112998
Adjacent sequences: A139941 A139942 A139943 this_sequence A139945 A139946 A139947
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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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