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A031433 Least term in period of continued fraction for sqrt(n) is 9. 1
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; text; internal format)
OFFSET

1,1

LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[Range[60000], !IntegerQ[Sqrt[#]]&&Min[ContinuedFraction[Sqrt[#]][[2]]]==9&] (* Vincenzo Librandi, Jan 27 2012 *)

CROSSREFS

Sequence in context: A334644 A288172 A341338 * A177099 A327850 A061525

Adjacent sequences:  A031430 A031431 A031432 * A031434 A031435 A031436

KEYWORD

nonn,changed

AUTHOR

David W. Wilson

EXTENSIONS

References based on the incorrect a(n)=81n^2+2n removed by R. J. Mathar, Nov 18 2010

STATUS

approved

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Last modified August 5 00:12 EDT 2021. Contains 346455 sequences. (Running on oeis4.)