|
|
A106965
|
|
Primes of the form 3x^2-2xy+7y^2, with x and y nonnegative.
|
|
2
|
|
|
3, 7, 43, 47, 83, 103, 107, 167, 223, 283, 347, 367, 443, 487, 503, 547, 607, 643, 683, 743, 823, 827, 863, 883, 887, 947, 967, 1063, 1223, 1303, 1307, 1423, 1427, 1487, 1523, 1607, 1627, 1663, 1667, 1723, 1747, 1787, 1987, 2063, 2083, 2203, 2267
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Discriminant=-80.
|
|
LINKS
|
|
|
MATHEMATICA
|
QuadPrimes2[3, -2, 7, 10000] (* see A106856 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|