A033214 Primes of form x^2+19*y^2.

19, 23, 83, 101, 157, 163, 197, 271, 313, 353, 367, 419, 479, 491, 503, 571, 593, 619, 701, 709, 733, 853, 919, 929, 947, 967, 1031, 1033, 1051, 1151, 1187, 1213, 1217, 1259, 1297, 1301, 1327, 1499, 1543

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• easy

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 2000 terms from Vincenzo Librandi]
• N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)

Programs

Mathematica

QuadPrimes2[1, 0, 19, 10000] (* see A106856 *)