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A106972
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Primes of the form 5x^2+4xy+5y^2, with x and y any integer.
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1
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5, 17, 41, 89, 101, 173, 257, 269, 293, 353, 461, 509, 521, 593, 677, 761, 773, 797, 857, 881, 929, 941, 1013, 1049, 1097, 1109, 1181, 1193, 1217, 1277, 1301, 1361, 1433, 1553, 1601, 1613, 1637, 1697, 1721, 1889, 1949, 1973, 2141, 2273, 2309
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OFFSET
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1,1
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COMMENTS
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Discriminant=-84.
Primes = 5, 17, or 41 (mod 84).
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LINKS
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MATHEMATICA
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Union[QuadPrimes2[5, 4, 5, 10000], QuadPrimes2[5, -4, 5, 10000]] (* see A106856 *)
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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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