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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A031864 Period of continued fraction for sqrt(n) contains exactly 96 ones. 0
10606, 12709, 13591, 15601, 15766, 15814, 16774, 17781, 18451, 19309, 19819, 19996, 20041, 20716, 21796, 22141, 22531, 22597, 23131, 23209, 23389, 24172, 24397, 25054, 26737, 26929, 27309, 27763, 27791, 28627, 28687, 28921, 30577, 30613, 30631, 31102 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..36.

MATHEMATICA

cf96Q[n_]:=Module[{s=Sqrt[n]}, If[IntegerQ[s], 1, Count[ ContinuedFraction[ s] [[2]], 1]]==96]; Select[Range[32000], cf96Q] (* Harvey P. Dale, Jan 28 2017 *)

CROSSREFS

Sequence in context: A083977 A082442 A252101 * A184092 A110018 A249229

Adjacent sequences:  A031861 A031862 A031863 * A031865 A031866 A031867

KEYWORD

nonn

AUTHOR

David W. Wilson

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 22 03:20 EDT 2021. Contains 347605 sequences. (Running on oeis4.)