The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A031565

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A031565

Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 67.
(history; published version)

#12 by N. J. A. Sloane at Sat Jul 06 16:08:12 EDT 2024

STATUS

editing

approved

#11 by N. J. A. Sloane at Sat Jul 06 16:08:10 EDT 2024

NAME

Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 67.

STATUS

approved

editing

#10 by N. J. A. Sloane at Tue Aug 17 23:48:27 EDT 2021

NAME

Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 67.

Discussion

Tue Aug 17

23:48

OEIS Server: https://oeis.org/edit/global/2907

#9 by Hugo Pfoertner at Sat Jul 10 06:23:56 EDT 2021

STATUS

proposed

approved

#8 by Jon E. Schoenfield at Sat Jul 10 05:29:58 EDT 2021

STATUS

editing

proposed

#7 by Jon E. Schoenfield at Sat Jul 10 05:29:57 EDT 2021

NAME

Numbers n k such that the continued fraction for sqrt(nk) has even period and central term 67.

STATUS

approved

editing

#6 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

#5 by N. J. A. Sloane at Sat Jun 12 03:00:00 EDT 2004

NAME

Continued Numbers n such that continued fraction for sqrt(n) has even period and central term 67.

KEYWORD

nonn,new

nonn

#4 by N. J. A. Sloane at Sat Sep 13 03:00:00 EDT 2003

KEYWORD

nonn,new

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)attbicomcast.comnet)

#3 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003

KEYWORD

nonn,new

nonn

AUTHOR

dww

David W. Wilson (davidwwilson(AT)attbi.com)