The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A002947 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A002947

Continued fraction for cube root of 4.
(history; published version)

#40 by OEIS Server at Thu Jul 04 19:58:10 EDT 2024

LINKS

Harry J. Smith, <a href="/A002947/b002947_1.txt">Table of n, a(n) for n = 0..19999</a>

#39 by Alois P. Heinz at Thu Jul 04 19:58:10 EDT 2024

STATUS

proposed

approved

Discussion

Thu Jul 04

19:58

OEIS Server: Installed new b-file as b002947.txt.  Old b-file is now b002947_1.txt.

#38 by Andrew Howroyd at Thu Jul 04 19:54:36 EDT 2024

STATUS

editing

proposed

#37 by Andrew Howroyd at Thu Jul 04 19:36:30 EDT 2024

OFFSET

1,0,4

LINKS

Harry J. Smith, <a href="/A002947/b002947_1.txt">Table of n, a(n) for n = 10..2000019999</a>

PROG

(PARI) { allocatemem(932245000); default(realprecision, 21000); x=contfrac(4^(1/3)); for (n=1, 20000, write("b002947.txt", n, -1, " ", x[n])); } \\ Harry J. Smith, May 08 2009

CROSSREFS

Cf. A005480 = Decimal (decimal expansion). - Harry J. Smith, May 08 2009

Cf. A002355, A002356 (convergents).

EXTENSIONS

Offset changed by Andrew Howroyd, Jul 04 2024

STATUS

approved

editing

Discussion

Thu Jul 04

19:54

Andrew Howroyd: Continued fraction offset consistency

#36 by Charles R Greathouse IV at Thu Sep 08 08:44:31 EDT 2022

PROG

(MAGMAMagma) [ContinuedFraction(4^(1/3))]; // Vincenzo Librandi, Aug 02 2015

Discussion

Thu Sep 08

08:44

OEIS Server: https://oeis.org/edit/global/2944

#35 by N. J. A. Sloane at Thu Jun 15 22:52:11 EDT 2017

STATUS

proposed

approved

#34 by Nathan Fox at Thu Jun 15 22:49:40 EDT 2017

STATUS

editing

proposed

#33 by Nathan Fox at Thu Jun 15 22:42:37 EDT 2017

LINKS

Herman P. Robinson, <a href="/A003116/a003116.pdf">Letter to N. J. A. Sloane, Nov 13 1973</a>.

STATUS

proposed

editing

#32 by Nathan Fox at Thu Jun 15 22:33:54 EDT 2017

STATUS

editing

proposed

#31 by Nathan Fox at Thu Jun 15 22:31:24 EDT 2017

LINKS

S. Lang and H. Trotter, <a href="/A002945/a002945.pdf">Continued fractions for some algebraic numbers</a>, J. Reine Angew. Math. 255 (1972), 112-134. [Annotated scanned copy]

STATUS

approved

editing