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 A107172 Primes of the form 6x^2 + 11y^2. 2
 11, 17, 107, 227, 281, 491, 563, 569, 593, 659, 761, 1187, 1289, 1361, 1427, 1451, 1481, 1553, 1811, 1889, 1913, 1931, 2153, 2243, 2273, 2411, 2441, 2459, 2657, 2939, 3203, 3209, 3329, 3449, 3467, 3593, 3761, 3779, 3803, 4259, 4289, 4457 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Discriminant = -264. See A107132 for more information. 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[6, 0, 11, 10000] (* see A106856 *) PROG (PARI) list(lim)=my(v=List(), w, t); for(x=0, sqrtint(lim\6), w=6*x^2; for(y=1, sqrtint((lim-w)\11), if(isprime(t=w+11*y^2), listput(v, t)))); Set(v) \\ Charles R Greathouse IV, Feb 10 2017 CROSSREFS Sequence in context: A244853 A102870 A136721 * A090286 A226677 A056577 Adjacent sequences: A107169 A107170 A107171 * A107173 A107174 A107175 KEYWORD nonn,easy AUTHOR T. D. Noe, May 13 2005 STATUS approved

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Last modified December 1 03:32 EST 2023. Contains 367468 sequences. (Running on oeis4.)