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A020375
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Numbers k such that the continued fraction for sqrt(k) has period 36.
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1
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478, 556, 652, 958, 1054, 1177, 1273, 1329, 1439, 1511, 1541, 1651, 1660, 1676, 1724, 1738, 1804, 1891, 1990, 2014, 2041, 2076, 2097, 2111, 2126, 2191, 2369, 2383, 2423, 2588, 2686, 2716, 2732, 2769, 2806, 2869, 2927, 3082, 3148, 3166, 3191, 3228, 3269
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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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cf36Q[n_]:=Module[{s=Sqrt[n]}, Length[If[IntegerQ[s], {1}, ContinuedFraction[s][[2]]]]==36]; Select[Range[3300], cf36Q] (* Harvey P. Dale, Apr 06 2013 *)
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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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