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A031433
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Least term in period of continued fraction for sqrt(n) is 9.
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0
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83, 328, 735, 1304, 2035, 2928, 3983, 5200, 6579, 7415, 8120, 9235, 9823, 11688, 13715, 15904, 17190, 18255, 20768, 23443, 23750, 26280, 26605, 29279, 29622, 31015, 32440, 35763, 39248, 42895, 45416, 46704, 48890, 50675, 54808, 59103
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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MATHEMATICA
| Select[Range[60000], !IntegerQ[Sqrt[#]]&&Min[ContinuedFraction[Sqrt[#]][[2]]]==9&] (* Vincenzo Librandi, Jan 27 2012 *)
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CROSSREFS
| Sequence in context: A142387 A145651 A141570 * A177099 A061525 A160359
Adjacent sequences: A031430 A031431 A031432 * A031434 A031435 A031436
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KEYWORD
| nonn
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AUTHOR
| David W. Wilson (davidwwilson(AT)comcast.net)
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EXTENSIONS
| Removed references based on the incorrect a(n)=81n^2+2n - R. J. Mathar, Nov 18 2010
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