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A107150
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Primes of the form x^2 + 44y^2.
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2
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53, 257, 269, 397, 401, 421, 617, 757, 773, 929, 1021, 1109, 1181, 1237, 1433, 1609, 1621, 1697, 1753, 1873, 2069, 2113, 2237, 2381, 2621, 2729, 2777, 2797, 2897, 2953, 3041, 3257, 3433, 3613, 3677, 3701, 3733, 3793, 3853, 3877, 4013, 4093
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OFFSET
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1,1
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COMMENTS
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Discriminant = -176. See A107132 for more information.
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LINKS
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MATHEMATICA
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QuadPrimes2[1, 0, 44, 10000] (* see A106856 *)
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PROG
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(PARI) list(lim)=my(v=List(), w, t); for(x=1, sqrtint(lim\1), w=x^2; for(y=0, sqrtint((lim-w)\44), if(isprime(t=w+44*y^2), listput(v, t)))); Set(v) \\ Charles R Greathouse IV, Feb 09 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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