The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A320826 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A320826

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

#20 by Charles R Greathouse IV at Thu Sep 08 08:46:23 EDT 2022

PROG

(MAGMAMagma) m:=30; R<x>:=PowerSeriesRing(Rationals(), m); [0] cat Coefficients(R!(x*(1-4*x)^(3/2)/(1-3*x)^2)); // G. C. Greubel, Oct 27 2018

Discussion

Thu Sep 08

08:46

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

#19 by Alois P. Heinz at Sat Oct 27 15:24:16 EDT 2018

STATUS

proposed

approved

#18 by G. C. Greubel at Sat Oct 27 14:09:58 EDT 2018

STATUS

editing

proposed

#17 by G. C. Greubel at Sat Oct 27 14:09:31 EDT 2018

NAME

Expansion of (x*(1 - 4*x)^(3/2))/(3*x - 1)^2.

LINKS

G. C. Greubel, <a href="/A320826/b320826.txt">Table of n, a(n) for n = 0..1000</a>

PROG

(PARI) x='x+O('x^30); concat([0], Vec(x*(1-4*x)^(3/2)/(1-3*x)^2)) \\ G. C. Greubel, Oct 27 2018

(MAGMA) m:=30; R<x>:=PowerSeriesRing(Rationals(), m); [0] cat Coefficients(R!(x*(1-4*x)^(3/2)/(1-3*x)^2)); // G. C. Greubel, Oct 27 2018

STATUS

approved

editing

#16 by Peter Luschny at Thu Oct 25 12:08:18 EDT 2018

STATUS

reviewed

approved

#15 by Joerg Arndt at Thu Oct 25 11:30:34 EDT 2018

STATUS

proposed

reviewed

#14 by Peter Luschny at Thu Oct 25 10:47:53 EDT 2018

STATUS

editing

proposed

#13 by Peter Luschny at Thu Oct 25 10:47:08 EDT 2018

MATHEMATICA

$Assumptions = _ \[Element] Reals;

CoefficientList[Series[(I x (1 - 4 x - 1)^(3/2))/(3 x - 1)^2, {x, 0, 28}], x]

#12 by Peter Luschny at Thu Oct 25 10:40:32 EDT 2018

NAME

Expansion of (i*x*(1 - 4*x - 1)^(3/2))/(3*x - 1)^2 assuming real x and i denoting the imaginary unit.

STATUS

proposed

editing

#11 by Peter Luschny at Thu Oct 25 10:27:03 EDT 2018

STATUS

editing

proposed