The On-Line Encyclopedia of Integer Sequences (OEIS)

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A042639

Denominators of continued fraction convergents to sqrt(849).
(history; published version)

#11 by Ray Chandler at Sun Mar 19 12:21:12 EDT 2017

STATUS

editing

approved

#10 by Ray Chandler at Sun Mar 19 12:21:10 EDT 2017

LINKS

<a href="/index/Rec#order_60">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3003309425897390, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

STATUS

approved

editing

#9 by Joerg Arndt at Sun Jan 26 03:07:00 EST 2014

STATUS

proposed

approved

#8 by Michel Marcus at Sun Jan 26 01:38:48 EST 2014

STATUS

editing

proposed

#7 by Michel Marcus at Sun Jan 26 01:38:39 EST 2014

CROSSREFS

Cf. A040819, A042638.

STATUS

proposed

editing

#6 by Vincenzo Librandi at Sun Jan 26 01:17:36 EST 2014

STATUS

editing

proposed

#5 by Vincenzo Librandi at Sun Jan 26 01:10:54 EST 2014

DATA

1, 7, 22, 29, 80, 109, 843, 952, 1795, 4542, 19963, 224135, 468233, 1160601, 1628834, 30479613, 32108447, 94696507, 221501461, 2531212578, 10346351773, 23223916124, 33570267897, 56794184021, 431129556044, 487923740065, 1406977036174, 1894900776239

LINKS

Vincenzo Librandi, <a href="/A042639/b042639.txt">Table of n, a(n) for n = 0..200</a>

MATHEMATICA

Denominator[Convergents[Sqrt[849], 30]] (* Vincenzo Librandi, Jan 26 2014 *)

KEYWORD

nonn,cofr,frac,easy

EXTENSIONS

More terms from Vincenzo Librandi, Jan 26 2014

STATUS

approved

editing

#4 by Russ Cox at Fri Mar 30 16:48:15 EDT 2012

AUTHOR

_N. J. A. Sloane (njas(AT)research.att.com)_.

Discussion

Fri Mar 30

16:48

OEIS Server: https://oeis.org/edit/global/110

#3 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

KEYWORD

nonn,cofr,easy,new

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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

CROSSREFS

Cf. A042638.

KEYWORD

nonn,cofr,easy,new