The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A031434 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A031434

Least term in period of continued fraction for sqrt(n) is 10.
(history; published version)

#18 by Charles R Greathouse IV at Mon Aug 07 17:16:50 EDT 2017

STATUS

editing

approved

#17 by Charles R Greathouse IV at Mon Aug 07 17:16:20 EDT 2017

LINKS

Charles R Greathouse IV, <a href="/A031434/b031434.txt">Table of n, a(n) for n = 1..10000</a>

STATUS

approved

editing

#16 by Charles R Greathouse IV at Sun Aug 03 14:26:09 EDT 2014

MATHEMATICA

Select[Range[30000], !IntegerQ[Sqrt[#]]&&Min[ContinuedFraction[Sqrt[#]][[2]]]==10&] (* _Vincenzo Librandi, _, Jan 27 2012 *)

Discussion

Sun Aug 03

14:26

OEIS Server: https://oeis.org/edit/global/2270

#15 by Russ Cox at Fri Mar 30 18:35:29 EDT 2012

AUTHOR

_David W. Wilson (davidwwilson(AT)comcast.net)_

Discussion

Fri Mar 30

18:35

OEIS Server: https://oeis.org/edit/global/202

#14 by Bruno Berselli at Sat Jan 28 12:51:17 EST 2012

STATUS

reviewed

approved

#13 by Michael B. Porter at Sat Jan 28 10:21:56 EST 2012

STATUS

proposed

reviewed

#12 by Vincenzo Librandi at Sat Jan 28 01:10:41 EST 2012

STATUS

editing

proposed

#11 by Vincenzo Librandi at Fri Jan 27 15:17:14 EST 2012

MATHEMATICA

Select[Range[30000], !IntegerQ[Sqrt[#]]&&Min[ContinuedFraction[Sqrt[#]][[2]]]==10&] (* Vincenzo Librandi, Jan 27 2012 *)

STATUS

approved

editing

#10 by R. J. Mathar at Sat Nov 20 09:03:12 EST 2010

STATUS

reviewed

approved

#9 by Joerg Arndt at Sat Nov 20 08:12:59 EST 2010

STATUS

proposed

reviewed