A033240 Primes of form x^2+62*y^2.

71, 257, 503, 607, 727, 919, 977, 1087, 1151, 1217, 1399, 1433, 1559, 1583, 1721, 1783, 2081, 2087, 2239, 2273, 2281, 2521, 2593, 2663, 2767, 2857, 3119, 3457, 3583, 3593, 3767, 4049, 4127, 4217, 4241

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 1000 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, 62, 10000] (* see A106856 *)