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A201606
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Primes of the form 7n^2 + 5.
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1
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5, 257, 1013, 2273, 30497, 36293, 90977, 183713, 197573, 326597, 383297, 423617, 533237, 707873, 734837, 790277, 1000193, 1097717, 1199777, 1270337, 1306373, 1379957, 1951493, 1996097, 2086817, 2371073, 2420213, 2570657, 3217793
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Select[Table[7n^2+5, {n, 0, 3000}], PrimeQ]
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PROG
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(Magma) [a: n in [0..800] | IsPrime(a) where a is 7*n^2+5];
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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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