VOOZH
about
URL: https://oeis.org/A106913
⇱ A106913 - OEIS
login
A106913
Primes of the form x^2+xy+14y^2, with x and y nonnegative.
2
59, 71, 199, 229, 251, 269, 311, 379, 389, 509, 631, 661, 691, 751, 839, 929, 1049, 1061, 1171, 1181, 1279, 1321, 1409, 1439, 1499, 1571, 1609, 1699, 1721, 1741, 1901, 1951, 2029, 2069, 2269, 2341, 2399, 2531, 2621, 2671, 2729, 2819, 2971
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
COMMENTS
Discriminant=-55.
LINKS
Vincenzo Librandi and Ray Chandler,
Table of n, a(n) for n = 1..10000
[First 1000 terms from Vincenzo Librandi]
N. J. A. Sloane et al.,
Binary Quadratic Forms and OEIS
(Index to related sequences, programs, references)
MATHEMATICA
QuadPrimes2[1, 1, 14, 10000] (* see
A106856
*)
CROSSREFS
Sequence in context:
A126693
A139938
A033235
*
A212266
A322919
A026050
Adjacent sequences:
A106910
A106911
A106912
*
A106914
A106915
A106916
KEYWORD
nonn
,
easy
AUTHOR
T. D. Noe
, May 09 2005
STATUS
approved