The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A115054

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

A115054

G.f.: (x^3+6*x+2)^2/(x^2+x+1)^2.
(history; published version)

#13 by Charles R Greathouse IV at Sat Jun 13 00:52:02 EDT 2015

LINKS

<a href="/index/Rec#order_04">Index to sequences with entries for linear recurrences with constant coefficients</a>, signature (-2,-3,-2,-1).

Discussion

Sat Jun 13

00:52

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

#12 by R. J. Mathar at Thu Sep 25 13:28:11 EDT 2014

STATUS

editing

approved

#11 by R. J. Mathar at Thu Sep 25 13:27:50 EDT 2014

LINKS

<a href="/index/ReaRec#recLCCorder_04">Index entries for to sequences related to with linear recurrences with constant coefficients</a>, signature (-2,-3,-2,-1).

KEYWORD

sign,easy

STATUS

approved

editing

#10 by Charles R Greathouse IV at Wed Mar 12 16:36:50 EDT 2014

AUTHOR

_Roger L. Bagula_, Feb 28 2006

Discussion

Wed Mar 12

16:36

OEIS Server: https://oeis.org/edit/global/2126

#9 by Russ Cox at Fri Mar 30 18:49:15 EDT 2012

AUTHOR

_Roger Bagula (rlbagulatftn(AT)yahoo.com), _, Feb 28 2006

Discussion

Fri Mar 30

18:49

OEIS Server: https://oeis.org/edit/global/236

#8 by Russ Cox at Fri Mar 30 17:39:08 EDT 2012

COMMENTS

Auto-convolution of the sequence 2,4,-6,3,3,-6,3,3,.. (period length 3). [From _R. J. Mathar (mathar(AT)strw.leidenuniv.nl), _, Mar 09 2009]

FORMULA

a(n) = 18*A131713(n)-27*(-1)^n*A099254(n), n>2. [From _R. J. Mathar (mathar(AT)strw.leidenuniv.nl), _, Mar 09 2009]

Discussion

Fri Mar 30

17:39

OEIS Server: https://oeis.org/edit/global/190

#7 by Russ Cox at Fri Mar 30 16:50:23 EDT 2012

EXTENSIONS

Edited by _N. J. A. Sloane (njas(AT)research.att.com), _, Apr 16 2006

Discussion

Fri Mar 30

16:50

OEIS Server: https://oeis.org/edit/global/110

#6 by Russ Cox at Sun Jul 10 18:33:01 EDT 2011

LINKS

<a href="/Sindx_index/Rea.html#recLCC">Index entries for sequences related to linear recurrences with constant coefficients</a>

Discussion

Sun Jul 10

18:33

OEIS Server: https://oeis.org/edit/global/77

#5 by N. J. A. Sloane at Thu Nov 11 07:34:06 EST 2010

LINKS

<a href="/Sindx_Rea.html#recLCC">Index entries for sequences related to linear recurrences with constant coefficients</a>

KEYWORD

sign,new

sign

#4 by N. J. A. Sloane at Tue Jun 01 03:00:00 EDT 2010

COMMENTS

Auto-convolution of the sequence 2,4,-6,3,3,-6,3,3,.. (period length 3). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 09 2009]

LINKS

<a href="Sindx_Rea.html#recLCC">Index entries for sequences related to linear recurrences with constant coefficients</a>

FORMULA

a(n) = 18*A131713(n)-27*(-1)^n*A099254(n), n>2. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 09 2009]

KEYWORD

sign,new

sign