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A140617
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Primes of the form 11x^2+8xy+32y^2.
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1
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11, 107, 179, 347, 443, 491, 659, 683, 827, 947, 1019, 1163, 1187, 1283, 1451, 1499, 1523, 1619, 1667, 1787, 2003, 2027, 2339, 2459, 2531, 2699, 2843, 2963, 3011, 3203, 3299, 3347, 3371, 3467, 3539, 3803, 3851, 4019, 4139, 4211, 4523, 4547
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OFFSET
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1,1
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COMMENTS
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Discriminant=-1344. Also primes of the form 11x^2+4xy+92y^2.
In base 12, the sequence is E, 8E, 12E, 24E, 30E, 34E, 46E, 48E, 58E, 66E, 70E, 80E, 82E, 8XE, X0E, X4E, X6E, E2E, E6E, 104E, 11XE, 120E, 142E, 150E, 156E, 168E, 178E, 186E, 18XE, 1X2E, 1XXE, 1E2E, 1E4E, 200E, 206E, 224E, 228E, 23XE, 248E, 252E, 274E, 276E, where X is for 10 and E is for 11. Moreover, the discriminant is -940. - Walter Kehowski, May 31 2008
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LINKS
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MATHEMATICA
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Union[QuadPrimes2[11, 8, 32, 10000], QuadPrimes2[11, -8, 32, 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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