login
A033227
Primes of form x^2+39*y^2.
4
43, 103, 139, 157, 181, 277, 367, 439, 523, 547, 607, 673, 751, 823, 991, 997, 1039, 1063, 1117, 1153, 1171, 1231, 1249, 1381, 1429, 1453, 1459, 1483, 1693, 1759, 1933, 1951, 1993, 1999, 2011, 2029, 2131
OFFSET
1,1
COMMENTS
Also primes of the form x^2-xy+10y^2 with x and y nonnegative. - T. D. Noe, May 07 2005
REFERENCES
David A. Cox, "Primes of the Form x^2 + n y^2", Wiley, 1989.
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, 0, 39, 10000] (* see A106856 *)
CROSSREFS
Primes in A243194.
Sequence in context: A141958 A141990 A253952 * A106888 A142795 A325077
KEYWORD
nonn,easy
AUTHOR
STATUS
approved