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A065006
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Integers for which the periodic part of the continued fraction for the square root of n begins with 3.
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0
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11, 28, 40, 53, 69, 86, 87, 106, 127, 128, 151, 152, 176, 177, 204, 205, 233, 234, 235, 265, 266, 298, 299, 300, 334, 335, 336, 371, 372, 373, 411, 412, 413, 452, 453, 454, 455, 496, 497, 498, 541, 542, 543, 544, 589, 590, 591, 592, 638, 639, 640, 641, 690
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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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The continued fraction for the square root of 11 is 3, {3, 6}.
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MATHEMATICA
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Select[ Range[800], First[ Last[ ContinuedFraction[ Sqrt[ # ]]]] == 3 & ]
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CROSSREFS
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KEYWORD
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cofr,easy,nonn
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AUTHOR
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STATUS
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approved
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