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A060844 Primes of the form 6*k^2 + 6*k + 31. 3
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; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Prime for n=[0,28]. Discriminant is -708, which is class no. 4.
LINKS
PROG
(PARI) { n=0; for (m=0, 2136, f=6*m^2 + 6*m + 31; if (isprime(f), write("b060844.txt", n++, " ", f)); ) } \\ Harry J. Smith, Jul 13 2009
CROSSREFS
Cf. A060834.
Sequence in context: A096163 A139883 A060834 * A112789 A266989 A161615
KEYWORD
nonn,easy
AUTHOR
Tito Piezas III, May 03 2001
EXTENSIONS
More terms from Larry Reeves (larryr(AT)acm.org), May 07 2001
STATUS
approved

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Last modified February 27 10:59 EST 2024. Contains 370378 sequences. (Running on oeis4.)