login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A031724 Least term in period of continued fraction for sqrt(n) is 46. 1
530, 2118, 4764, 8468, 13230, 19050, 25928, 33864, 42858, 52910, 64020, 76188, 89414, 103698, 119040, 135440, 152898, 171414, 190988, 211620, 233310, 256058, 279864, 304728, 330650, 357630, 385668, 414764, 444918, 476130, 508400, 541728 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n) = 529n^2 + n for n < 49, but a(49) = 1221072. - Charles R Greathouse IV, Aug 04 2017

LINKS

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

MATHEMATICA

lt46Q[n_]:=Module[{s=Sqrt[n]}, !IntegerQ[s]&&Min[ContinuedFraction[s][[2]]]==46]; Select[Range[550000], lt46Q] (* Harvey P. Dale, Jul 13 2013 *)

CROSSREFS

Sequence in context: A048455 A158368 A250795 * A251004 A098259 A174761

Adjacent sequences:  A031721 A031722 A031723 * A031725 A031726 A031727

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 July 15 22:48 EDT 2019. Contains 325061 sequences. (Running on oeis4.)