|
| |
|
|
A139941
|
|
Primes of the form 19x^2+8xy+19y^2.
|
|
1
| |
|
|
19, 79, 199, 379, 571, 619, 631, 751, 919, 1171, 1279, 1399, 1459, 1471, 1579, 1699, 1759, 1831, 1951, 1999, 2011, 2131, 2179, 2251, 2311, 2551, 2659, 2719, 2731, 2851, 3079, 3271, 3319, 3331, 3391, 3511, 3559, 3631, 3691, 3931, 4099, 4111
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| Discriminant=-1380. See A139827 for more information.
|
|
|
FORMULA
| The primes are congruent to {19, 79, 91, 199, 319, 379, 451, 511, 559, 571, 619, 631, 751, 799, 871, 919, 931, 1111, 1171, 1279, 1339, 1351} (mod 1380).
|
|
|
MATHEMATICA
| Union[QuadPrimes[19, 8, 19, 10000], QuadPrimes[19, -8, 19, 10000]] (* see A106856 *)
|
|
|
CROSSREFS
| Sequence in context: A142789 A158491 A201783 * A127270 A053665 A050522
Adjacent sequences: A139938 A139939 A139940 * A139942 A139943 A139944
|
|
|
KEYWORD
| nonn,easy
|
|
|
AUTHOR
| T. D. Noe (noe(AT)sspectra.com), May 02 2008
|
| |
|
|