|
|
A139989
|
|
Primes of the form 8x^2+8xy+107y^2.
|
|
1
|
|
|
107, 347, 443, 683, 827, 947, 1163, 1187, 1283, 1523, 1667, 1787, 2003, 2027, 2843, 2963, 3203, 3347, 3467, 3803, 4523, 4547, 4643, 5147, 5387, 5483, 5867, 5987, 6203, 6323, 6563, 6827, 7043, 7547, 7883, 7907, 8243, 8387, 8747, 9227, 9587
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Discriminant=-3360. See A139827 for more information.
|
|
LINKS
|
|
|
FORMULA
|
The primes are congruent to {107, 323, 347, 443, 683, 827} (mod 840).
|
|
MATHEMATICA
|
QuadPrimes2[8, -8, 107, 10000] (* see A106856 *)
|
|
PROG
|
(Magma) [p: p in PrimesUpTo(11000) | p mod 840 in [107, 323, 347, 443, 683, 827]]; // Vincenzo Librandi, Aug 03 2012
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|