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A106862
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Primes of the form x^2+xy+5y^2, with x and y nonnegative.
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2
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5, 7, 11, 17, 23, 47, 61, 73, 83, 101, 131, 137, 139, 149, 157, 163, 191, 197, 199, 229, 251, 263, 271, 277, 283, 311, 347, 349, 353, 359, 367, 389, 419, 443, 457, 461, 463, 467, 499, 503, 541, 557, 571, 593, 613, 617, 619, 631, 643, 647, 653, 691, 701, 719
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OFFSET
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1,1
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COMMENTS
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Discriminant=-19.
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LINKS
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MATHEMATICA
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QuadPrimes2[1, 1, 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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