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Search: id:A060844
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| A060844 |
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Primes of form 6n^2+6n+31. |
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+0
2
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| 31, 43, 67, 103, 151, 211, 283, 367, 463, 571, 691, 823, 967, 1123, 1291, 1471, 1663, 1867, 2083, 2311, 2551, 2803, 3067, 3343, 3631, 3931, 4243, 4567, 4903, 6367, 6763, 7591, 8467, 8923, 9391, 9871, 10867, 11383, 12451, 13003, 13567, 14143, 14731
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Prime for n=[0,28]. Discriminant is -708, which is class no. 4.
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,1000
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PROGRAM
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(PARI) { n=0; for (m=0, 2136, f=6*m^2 + 6*m + 31; if (isprime(f), write("b060844.txt", n++, " ", f)); ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 13 2009]
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CROSSREFS
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Cf. A060834.
Sequence in context: A096163 A139883 A060834 this_sequence A112789 A161615 A016108
Adjacent sequences: A060841 A060842 A060843 this_sequence A060845 A060846 A060847
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KEYWORD
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nonn,easy
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AUTHOR
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Tito Piezas III (tpiezas(AT)uap.edu.ph), May 03 2001
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EXTENSIONS
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More terms from Larry Reeves (larryr(AT)acm.org), May 07 2001
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