The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A042207 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A042207

Denominators of continued fraction convergents to sqrt(629).
(history; published version)

#21 by Joerg Arndt at Sun May 19 02:20:46 EDT 2019

STATUS

proposed

approved

#20 by Jon E. Schoenfield at Sun May 19 02:18:02 EDT 2019

STATUS

editing

proposed

#19 by Jon E. Schoenfield at Sun May 19 02:18:00 EDT 2019

FORMULA

G.f.: -(x^8 - 12*x^7 + 13*x^6 - 25*x^5 + 313*x^4 + 25*x^3 + 13*x^2 + 12*x + 1) / (x^10 + 15700*x^5 - 1). - Colin Barker, Dec 04 2013

MATHEMATICA

Denominator[Convergents[Sqrt[629], 30]] (* Vincenzo Librandi, Jan 16 2014_ *)

AUTHOR

N. J. A. Sloane.

STATUS

approved

editing

#18 by Ray Chandler at Sun Mar 19 10:14:59 EDT 2017

STATUS

editing

approved

#17 by Ray Chandler at Sun Mar 19 10:14:57 EDT 2017

LINKS

<a href="/index/Rec#order_10">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 15700, 0, 0, 0, 0, 1).

STATUS

approved

editing

#16 by Charles R Greathouse IV at Sat Jun 13 00:49:39 EDT 2015

LINKS

<a href="/index/Rec">Index to sequences with entries for linear recurrences with constant coefficients</a>, signature (0,0,0,0,15700,0,0,0,0,1).

Discussion

Sat Jun 13

00:49

OEIS Server: https://oeis.org/edit/global/2439

#15 by Charles R Greathouse IV at Fri Jun 12 15:24:25 EDT 2015

LINKS

<a href="/index/Rea#recLCCRec">Index to sequences with linear recurrences with constant coefficients</a>, signature (0,0,0,0,15700,0,0,0,0,1).

Discussion

Fri Jun 12

15:24

OEIS Server: https://oeis.org/edit/global/2436

#14 by Harvey P. Dale at Tue May 27 12:17:39 EDT 2014

STATUS

editing

approved

#13 by Harvey P. Dale at Tue May 27 12:17:33 EDT 2014

MATHEMATICA

LinearRecurrence[{0, 0, 0, 0, 15700, 0, 0, 0, 0, 1}, {1, 12, 13, 25, 313, 15675, 188413, 204088, 392501, 4914100}, 30] (* Harvey P. Dale, May 27 2014 *)

STATUS

approved

editing

#12 by Joerg Arndt at Fri Jan 17 03:08:27 EST 2014

STATUS

proposed

approved