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Revision History for A128987 (Underlined text is an addition; strikethrough text is a deletion.)

Showing entries 1-10 | older changes
A128987 a(n) = (n^3 - n^2)*4^n.
(history; published version)
#18 by Charles R Greathouse IV at Thu Sep 08 08:45:30 EDT 2022
PROG

(MAGMAMagma) [(n^3 - n^2)*4^n: n in [1..25]]; // Vincenzo Librandi, Feb 11 2013

Discussion
Thu Sep 08 08:45
OEIS Server: https://oeis.org/edit/global/2944
#17 by Jon E. Schoenfield at Sun Aug 09 02:33:10 EDT 2015
STATUS

editing

approved

#16 by Jon E. Schoenfield at Sun Aug 09 02:33:08 EDT 2015
NAME

a(n) = (n^3- - n^2)*4^n.

FORMULA

G.f.: 64x^2(1+2x)/(1-4x)^4. [_. - _R. J. Mathar_, Dec 19 2008]

EXTENSIONS

Corrected theOffset firstcorrected offset. - _by _Mohammad K. Azarian_, Nov 20 2008

STATUS

approved

editing

#15 by Charles R Greathouse IV at Sat Jun 13 00:52:21 EDT 2015
LINKS

<a href="/index/Rec">Index to sequencesentries withfor linear recurrences with constant coefficients</a>, signature (16,-96,256,-256).

Discussion
Sat Jun 13 00:52
OEIS Server: https://oeis.org/edit/global/2439
#14 by Charles R Greathouse IV at Fri Jun 12 15:32:42 EDT 2015
LINKS

<a href="/index/Rec#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (16,-96,256,-256).

Discussion
Fri Jun 12 15:32
OEIS Server: https://oeis.org/edit/global/2437
#13 by Charles R Greathouse IV at Fri Jun 12 15:18:59 EDT 2015
LINKS

<a href="/Sindx_Rea.htmlindex/Rec#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (16,-96,256,-256).

Discussion
Fri Jun 12 15:18
OEIS Server: https://oeis.org/edit/global/2434
#12 by N. J. A. Sloane at Sat Jun 22 16:06:01 EDT 2013
AUTHOR

___Mohammad K. Azarian__, _, Apr 30 2007

EXTENSIONS

Corrected the first offset. - __. - _Mohammad K. Azarian__, _, Nov 20 2008

Discussion
Sat Jun 22 16:06
OEIS Server: https://oeis.org/edit/global/1931
#11 by N. J. A. Sloane at Fri Jun 21 12:51:02 EDT 2013
AUTHOR

___Mohammad K. Azarian_, __, Apr 30 2007

EXTENSIONS

Corrected the first offset. - _. - __Mohammad K. Azarian_, __, Nov 20 2008

Discussion
Fri Jun 21 12:51
OEIS Server: https://oeis.org/edit/global/1930
#10 by T. D. Noe at Mon Feb 11 13:59:31 EST 2013
STATUS

editing

approved

#9 by T. D. Noe at Mon Feb 11 13:59:24 EST 2013
FORMULA

G.f.: 64x^2(1+2x)/(1-4x)^4. [From _. [_R. J. Mathar_, Dec 19 2008]

CROSSREFS

Cf. A128796; , A036289.

STATUS

reviewed

editing

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Last modified August 31 13:12 EDT 2024. Contains 375567 sequences. (Running on oeis4.)