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A031696 Least term in period of continued fraction for sqrt(n) is 18. 1
82, 326, 732, 1300, 2030, 2922, 3976, 5192, 6570, 8110, 9812, 11676, 13702, 15890, 18240, 20752, 23426, 26262, 29260, 32420, 32780, 35742, 39226, 42872, 46680, 50650, 54782, 59076, 63532, 68150, 72930, 77872, 82976, 88242, 93670, 99260, 105012 (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[110000], !IntegerQ[Sqrt[#]]&&Min[ContinuedFraction[Sqrt[#]][[2]]]==18&] (* Vincenzo Librandi, Jan 27 2012 *)

CROSSREFS

Sequence in context: A248405 A116341 A102956 * A005972 A082972 A288920

Adjacent sequences:  A031693 A031694 A031695 * A031697 A031698 A031699

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified November 18 04:44 EST 2019. Contains 329248 sequences. (Running on oeis4.)