The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A219751

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A219751

Expansion of x^4*(2-3*x-x^2)/((1+x)*(1-2*x)^2).
(history; published version)

#29 by Michael De Vlieger at Mon Mar 20 15:17:32 EDT 2023

STATUS

proposed

approved

#28 by Amiram Eldar at Mon Mar 20 14:48:46 EDT 2023

STATUS

editing

proposed

#27 by Amiram Eldar at Mon Mar 20 14:48:41 EDT 2023

PROG

(Maxima) makelist(coeff(taylor(x^4*(2-3*x-x^2)/((1+x)*(1-2*x)^2), x, 0, n), x, n), n, 0, 35); [_/* _Bruno Berselli_, Nov 29 2012] */

STATUS

proposed

editing

#26 by Michel Marcus at Mon Mar 20 14:36:19 EDT 2023

STATUS

editing

proposed

#25 by Michel Marcus at Mon Mar 20 14:35:55 EDT 2023

LINKS

M. H. Albert, M. D. Atkinson and Robert Brignall, <a href="http://arxiv.org/abs/1206.3183">The enumeration of three pattern classes</a>, arXiv:1206.3183 [math.CO], (2012), p. 14 (Lemma 4.3).

<a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (3,0,-4).

STATUS

approved

editing

#24 by Charles R Greathouse IV at Thu Sep 08 08:46:04 EDT 2022

PROG

(MAGMAMagma) I:=[0, 0, 0, 0, 2, 3, 8]; [n le 7 select I[n] else 3*Self(n-1) - 4*Self(n-3): n in [1..40]]; // Vincenzo Librandi, Dec 14 2012

Discussion

Thu Sep 08

08:46

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

#23 by Charles R Greathouse IV at Sat Jun 13 00:54:36 EDT 2015

LINKS

<a href="/index/Rec">Index to sequences with entries for linear recurrences with constant coefficients</a>, signature (3,0,-4).

Discussion

Sat Jun 13

00:54

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

#22 by Charles R Greathouse IV at Fri Jun 12 15:33:33 EDT 2015

LINKS

<a href="/index/Rec#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (3,0,-4).

Discussion

Fri Jun 12

15:33

OEIS Server: https://oeis.org/edit/global/2437

#21 by Joerg Arndt at Sat Dec 15 02:40:39 EST 2012

STATUS

proposed

approved

#20 by Vincenzo Librandi at Fri Dec 14 14:58:30 EST 2012

STATUS

editing

proposed