|
| |
|
|
A139904
|
|
Primes of the form 2x^2+2xy+127y^2.
|
|
1
| |
|
|
2, 127, 131, 139, 151, 167, 211, 239, 271, 307, 347, 439, 491, 547, 607, 739, 811, 887, 967, 1051, 1151, 1163, 1223, 1231, 1283, 1319, 1327, 1427, 1451, 1531, 1559, 1619, 1823, 1867, 1979, 1987, 2063, 2111, 2239, 2243, 2339, 2371, 2543, 2647
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| Discriminant=-1012. See A139827 for more information.
|
|
|
FORMULA
| The primes are congruent to {2, 35, 39, 87, 95, 123, 127, 131, 139, 151, 167, 211, 215, 219, 239, 255, 259, 271, 303, 307, 315, 347, 351, 371, 395, 403, 415, 439, 491, 519, 535, 547, 579, 591, 607, 611, 623, 679, 699, 703, 739, 767, 783, 791, 811, 831, 855, 875, 887, 899, 915, 923, 959, 967, 975, 1007} (mod 1012).
|
|
|
MATHEMATICA
| QuadPrimes[2, -2, 127, 10000] (* see A106856 *)
|
|
|
CROSSREFS
| Sequence in context: A049659 A157070 A064070 * A167414 A065381 A141928
Adjacent sequences: A139901 A139902 A139903 * A139905 A139906 A139907
|
|
|
KEYWORD
| nonn,easy
|
|
|
AUTHOR
| T. D. Noe (noe(AT)sspectra.com), May 02 2008
|
| |
|
|