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A139996 Primes of the form 28x^2+28xy+37y^2. +0
2
37, 277, 373, 613, 757, 877, 1093, 1117, 1213, 1453, 1597, 1933, 2053, 2293, 2437, 2557, 2797, 3613, 3637, 3733, 4813, 4957, 5077, 5413, 5653, 6133, 6637, 6997, 7333, 7477, 7933, 8317, 8677, 9013, 9157, 9277, 9613, 10333, 10357, 10453, 10837 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-3360. See A139827 for more information.

Also primes of the forms 37x^2+18xy+93y^2 and 37x^2+24xy+72y^2. See A140633. - T. D. Noe (noe(AT)sspectra.com), May 19 2008

FORMULA

The primes are congruent to {37, 253, 277, 373, 613, 757} (mod 840).

MATHEMATICA

QuadPrimes[28, -28, 37, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A119545 A131278 A144497 this_sequence A142835 A142234 A165381

Adjacent sequences: A139993 A139994 A139995 this_sequence A139997 A139998 A139999

KEYWORD

nonn,easy

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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