|
Search: id:A139914
|
|
|
| A139914 |
|
Primes of the form 4x^2+4xy+71y^2. |
|
+0 2
|
|
| 71, 79, 151, 191, 239, 359, 431, 599, 631, 751, 911, 919, 991, 1031, 1439, 1471, 1759, 1831, 1871, 1999, 2039, 2111, 2311, 2591, 2671, 2711, 2879, 3119, 3271, 3319, 3511, 3719, 4111, 4159, 4271, 4391, 4519, 4799, 4831, 4951, 4999, 5119
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
Discriminant=-1120. See A139827 for more information.
|
|
FORMULA
|
The primes are congruent to {39, 71, 79, 151, 191, 239} (mod 280).
|
|
MATHEMATICA
|
QuadPrimes[4, -4, 71, 10000] (* see A106856 *)
|
|
CROSSREFS
|
Sequence in context: A127316 A159025 A033245 this_sequence A039392 A043215 A043995
Adjacent sequences: A139911 A139912 A139913 this_sequence A139915 A139916 A139917
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
T. D. Noe (noe(AT)sspectra.com), May 02 2008
|
|
|
Search completed in 0.002 seconds
|