The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A064933 Period length of the continued fraction for sqrt(3)*n is 2. 2
 1, 2, 3, 4, 7, 11, 14, 15, 26, 28, 41, 52, 56, 78, 97, 130, 153, 156, 194, 209, 260, 362, 388, 390, 571, 679, 724, 765, 776, 780, 1351, 1358, 1552, 2131, 2702, 2716, 2911, 3982, 4053, 5042, 5404, 5432, 6755, 6878, 7953, 7964, 8106, 8109, 10084, 10808 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 REFERENCES R. K. Guy, personal communication. LINKS MATHEMATICA Select[Range[1024], Length[Last[ContinuedFraction[Sqrt[3]*# ]]]==2& ] Select[ Range[20000], Length[ Last[ ContinuedFraction[ Sqrt[3]*# ]]] ==2 & ] CROSSREFS Sequence in context: A232543 A279071 A171027 * A060731 A238492 A140827 Adjacent sequences:  A064930 A064931 A064932 * A064934 A064935 A064936 KEYWORD nonn AUTHOR Wouter Meeussen, Oct 26 2001 EXTENSIONS More terms from Robert G. Wilson v, Oct 31 2001 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified May 10 15:06 EDT 2021. Contains 343773 sequences. (Running on oeis4.)