|
| |
|
|
A139844
|
|
Primes of the form 2x^2+2xy+53y^2.
|
|
1
| |
|
|
2, 53, 113, 137, 197, 233, 317, 557, 617, 653, 953, 977, 1373, 1493, 1733, 1877, 1913, 1997, 2153, 2213, 2237, 2297, 2333, 2417, 2633, 2657, 2753, 2837, 3137, 3257, 3413, 3557, 3593, 3677, 3833, 3917, 4013, 4253, 4337, 4397, 4517, 4673
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| Discriminant=-420. See A139827 for more information.
|
|
|
FORMULA
| The primes are congruent to {2, 53, 113, 137, 197, 233, 317} (mod 420).
|
|
|
MATHEMATICA
| QuadPrimes[2, -2, 53, 10000] (* see A106856 *)
|
|
|
CROSSREFS
| Sequence in context: A062853 A059703 A041337 * A130698 A123005 A142477
Adjacent sequences: A139841 A139842 A139843 * A139845 A139846 A139847
|
|
|
KEYWORD
| nonn,easy
|
|
|
AUTHOR
| T. D. Noe (noe(AT)sspectra.com), May 02 2008
|
| |
|
|
