|
Search: id:A139850
|
|
|
| A139850 |
|
Primes of the form 11x^2+8xy+11y^2. |
|
+0
3
|
|
| 11, 71, 179, 191, 239, 359, 431, 491, 599, 659, 911, 1019, 1031, 1439, 1451, 1499, 1619, 1871, 2039, 2111, 2339, 2459, 2531, 2591, 2699, 2711, 2879, 3011, 3119, 3299, 3371, 3539, 3719, 3851, 4019, 4139, 4211, 4271, 4391, 4691, 4799, 5051
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
Discriminant=-420. See A139827 for more information.
Also primes of the forms 11x^2+6xy+39y^2 and 11x^2+10xy+50y^2. See A140633. - T. D. Noe (noe(AT)sspectra.com), May 19 2008
|
|
FORMULA
|
The primes are congruent to {11, 71, 179, 191, 239, 359} (mod 420).
|
|
MATHEMATICA
|
Union[QuadPrimes[11, 8, 11, 10000], QuadPrimes[11, -8, 11, 10000]] (* see A106856 *)
|
|
CROSSREFS
|
Sequence in context: A162568 A117047 A089720 this_sequence A049350 A164559 A123362
Adjacent sequences: A139847 A139848 A139849 this_sequence A139851 A139852 A139853
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
T. D. Noe (noe(AT)sspectra.com), May 02 2008
|
|
|
Search completed in 0.002 seconds
|
