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A201474
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Primes of the form 2n^2 + 5.
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1
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5, 7, 13, 23, 37, 103, 167, 293, 397, 653, 727, 887, 1063, 2053, 3533, 3877, 4423, 5413, 5623, 6277, 6733, 6967, 10663, 10957, 11863, 12487, 13127, 14797, 15493, 16567, 19213, 20407, 23333, 23767, 25997, 29287, 30757, 33287, 34327
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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[2n^2+5, {n, 0, 700}], PrimeQ]
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PROG
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(Magma) [a: n in [0..400] | IsPrime(a) where a is 2*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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