|
| |
|
|
A106919
|
|
Primes of the form 3x^2+xy+5y^2, with x and y any integer.
|
|
2
|
|
|
|
3, 5, 7, 19, 29, 41, 53, 79, 107, 127, 137, 167, 181, 193, 199, 239, 241, 251, 257, 263, 271, 277, 281, 293, 307, 311, 331, 359, 379, 433, 449, 487, 491, 499, 523, 557, 577, 593, 599, 607, 617, 619, 643, 647, 653, 661, 709, 757, 761, 829, 853, 877, 883, 907
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
Discriminant=-59. See A106856 for more information.
Primes p such that the polynomial x^3-2x^2-1 is irreducible over Zp. The polynomial discriminant is also -59. - T. D. Noe, May 13 2005
|
|
|
LINKS
|
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
|
|
|
MATHEMATICA
|
Union[QuadPrimes[3, 1, 5, 10000], QuadPrimes[3, -1, 5, 10000]] (* see A106856 *)
|
|
|
CROSSREFS
|
Sequence in context: A184805 A079131 A179687 * A005850 A052334 A154526
Adjacent sequences: A106916 A106917 A106918 * A106920 A106921 A106922
|
|
|
KEYWORD
|
nonn,easy
|
|
|
AUTHOR
|
T. D. Noe, May 09 2005
|
|
|
STATUS
|
approved
|
| |
|
|
