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A033247 Primes of form x^2+73*y^2. 2
73, 89, 109, 137, 173, 269, 293, 317, 373, 397, 461, 557, 653, 661, 673, 733, 757, 821, 853, 857, 1021, 1097, 1193, 1217, 1229, 1249, 1289, 1381, 1609, 1697, 1861, 1889, 1973, 2081, 2129, 2141, 2309 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
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, 73, 10000] (* see A106856 *)
CROSSREFS
Sequence in context: A075588 A039483 A104998 * A014754 A007766 A365001
KEYWORD
nonn,easy
AUTHOR
STATUS
approved

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Last modified March 29 10:44 EDT 2024. Contains 371268 sequences. (Running on oeis4.)