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A139990 Primes of the form 12x^2+12xy+73y^2. 1
73, 97, 313, 433, 577, 937, 1153, 1657, 1753, 1777, 1993, 2113, 2593, 2617, 2833, 2953, 3433, 3457, 3673, 3793, 4177, 4273, 4297, 4513, 5113, 5857, 5953, 6793, 7297, 7537, 7873, 7993, 8377, 8713, 9337, 9817, 10177, 10513, 10657, 10993 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-3360. See A139827 for more information.

Also primes of the forms 48x^2+24xy+73y^2 and 33x^2+12xy+52y^2. See A140633. - T. D. Noe (noe(AT)sspectra.com), May 19 2008

FORMULA

The primes are congruent to {73, 97, 313, 433, 577, 817} (mod 840).

MATHEMATICA

QuadPrimes[12, -12, 73, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A143577 A146354 A050958 * A179154 A116210 A180522

Adjacent sequences:  A139987 A139988 A139989 * A139991 A139992 A139993

KEYWORD

nonn,easy

AUTHOR

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

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Last modified February 17 04:26 EST 2012. Contains 205978 sequences.