A106961 - OEIS

A106961

Primes of the form 2x^2-xy+10y^2, with x and y nonnegative.

2, 11, 89, 101, 163, 167, 241, 313, 367, 389, 487, 523, 571, 617, 743, 877, 953, 1031, 1193, 1201, 1231, 1361, 1601, 1663, 1669, 1697, 1723, 1759, 1787, 1789, 1861, 1901, 2017, 2237, 2243, 2371, 2393, 2437, 2687, 2711, 2791, 2797, 2803, 2857

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Discriminant=-79.

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[2, -1, 10, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A221864 A376871 A197900 * A215623 A099662 A307770

Adjacent sequences: A106958 A106959 A106960 * A106962 A106963 A106964

KEYWORD

nonn,easy

AUTHOR

T. D. Noe, May 09 2005

STATUS

approved