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A096169
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Odd n such that (n^4+1)/2 is prime.
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6
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3, 5, 7, 11, 13, 17, 21, 23, 29, 35, 39, 57, 61, 65, 71, 73, 81, 103, 105, 113, 115, 119, 129, 153, 165, 169, 171, 199, 203, 205, 251, 259, 267, 275, 309, 313, 317, 333, 337, 339, 353, 363, 403, 405, 415, 419, 431, 445, 449, 453, 455, 463, 471, 477, 479, 487
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OFFSET
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1,1
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LINKS
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EXAMPLE
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a(1)=3 because (3^4+1)/2=82/2=41 is prime.
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MATHEMATICA
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Select[Range[1, 501, 2], PrimeQ[(#^4+1)/2]&] (* Harvey P. Dale, Jun 04 2011 *)
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PROG
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(Magma) [ n: n in [0..2500] | IsPrime((n^4+1) div 2) ]; // Vincenzo Librandi, Apr 15 2011
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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