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A031698 Least term in period of continued fraction for sqrt(n) is 20. 1
101, 402, 903, 1604, 2505, 3606, 4907, 6408, 8109, 10010, 12111, 14412, 16913, 19614, 22515, 25616, 28917, 32418, 36119, 40020, 44121, 48422, 48862, 52923, 57624, 62525, 67626, 72927, 78428, 84129, 90030, 96131, 102432, 108933, 115634, 122535, 129636 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

Select[Range[200000], !IntegerQ[Sqrt[#]]&&Min[ContinuedFraction[Sqrt[#]][[2]]]==20&] (* Vincenzo Librandi, Feb 06 2012 *)

CROSSREFS

Different from A055438.

Sequence in context: A142136 A158192 A062800 * A055438 A142692 A060012

Adjacent sequences:  A031695 A031696 A031697 * A031699 A031700 A031701

KEYWORD

nonn,changed

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified February 17 14:50 EST 2012. Contains 206050 sequences.