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A139991 Primes of the form 15x^2+56y^2. +0
2
71, 191, 239, 359, 431, 599, 911, 1031, 1439, 1871, 2039, 2111, 2591, 2711, 2879, 3119, 3719, 4271, 4391, 4799, 5231, 5279, 5399, 5471, 5639, 6311, 6791, 6911, 6959, 7079, 7151, 7919, 8831, 8999, 9311, 9431, 9479, 9839, 10151, 10271, 11159 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-3360. See A139827 for more information.

Also primes of the forms 39x^2+12xy+44y^2 and 36x^2+12xy+71y^2. See A140633. - T. D. Noe (noe(AT)sspectra.com), May 19 2008

FORMULA

The primes are congruent to {71, 191, 239, 359, 431, 599} (mod 840).

CROSSREFS

Adjacent sequences: A139988 A139989 A139990 this_sequence A139992 A139993 A139994

Sequence in context: A142488 A068364 A142612 this_sequence A140007 A023107 A142808

KEYWORD

nonn,easy

AUTHOR

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

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.


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