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Search: id:A065012
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| A065012 |
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Integers for which the periodic part of the continued fraction for the square root of n begins with 9. |
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1
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| 83, 199, 328, 365, 534, 581, 735, 790, 847, 1031, 1096, 1163, 1304, 1377, 1452, 1529, 1690, 1773, 1858, 1945, 2035, 2126, 2219, 2314, 2411, 2511, 2612, 2715, 2820, 2927, 2928, 3037, 3148, 3261, 3376, 3493, 3494, 3613, 3734, 3857, 3982, 3983, 4109, 4110
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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The continued fraction for the square root of 83 is 9, {9, 18}.
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MATHEMATICA
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Select[ Range[5000], First[ Last[ ContinuedFraction[ Sqrt[ # ]]]] == 9 & ]
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CROSSREFS
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Adjacent sequences: A065009 A065010 A065011 this_sequence A065013 A065014 A065015
Sequence in context: A142681 A066366 A142001 this_sequence A033253 A141933 A008897
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KEYWORD
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cofr,easy,nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 01 2001
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