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A139900 Primes of the form 12x^2+12xy+23y^2. +0
1
23, 47, 167, 263, 383, 503, 647, 743, 863, 887, 983, 1103, 1223, 1367, 1487, 1583, 1607, 1823, 1847, 2063, 2087, 2207, 2423, 2447, 2543, 2663, 2687, 2903, 2927, 3023, 3167, 3407, 3527, 3623, 3767, 3863, 4007, 4127, 4463, 4583, 4703, 4943 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-960. See A139827 for more information.

FORMULA

The primes are congruent to {23, 47} (mod 120).

CROSSREFS

Adjacent sequences: A139897 A139898 A139899 this_sequence A139901 A139902 A139903

Sequence in context: A042048 A042050 A139857 this_sequence A065017 A140618 A042052

KEYWORD

nonn,easy

AUTHOR

T. D. Noe (noe(AT)sspectra.com), May 02 2008

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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