A033239 - OEIS

A033239

Primes of form x^2+61*y^2.

61, 97, 257, 269, 293, 317, 461, 613, 773, 977, 1033, 1097, 1201, 1217, 1601, 1613, 1669, 1721, 1993, 1997, 2221, 2269, 2309, 2549, 2557, 2657, 2969, 3001, 3037, 3049, 3089, 3253, 3313, 3389, 3461, 3877

(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, 61, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A088787 A020350 A142108 * A106390 A142191 A086126

Adjacent sequences: A033236 A033237 A033238 * A033240 A033241 A033242

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved