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A107187
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Primes of the form 7x^2 + 11y^2.
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2
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7, 11, 107, 127, 211, 239, 263, 547, 571, 739, 743, 919, 1019, 1163, 1283, 1471, 1579, 1583, 1619, 1667, 1759, 2111, 2339, 2503, 2543, 2683, 2767, 2879, 3571, 3607, 3691, 3739, 3847, 3907, 4099, 4111, 4127, 4391, 4463, 4831, 4967, 5147
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OFFSET
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1,1
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COMMENTS
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Discriminant=-308. See A107132 for more information.
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LINKS
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MATHEMATICA
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QuadPrimes2[7, 0, 11, 10000] (* see A106856 *)
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PROG
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(PARI) list(lim)=my(v=List(), w, t); for(x=0, sqrtint(lim\7), w=7*x^2; for(y=0, sqrtint((lim-w)\11), if(isprime(t=w+11*y^2), listput(v, t)))); Set(v) \\ Charles R Greathouse IV, Feb 10 2017
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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