The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A131438 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A131438

(2+n)*2^n-2-3*n.
(history; published version)

#9 by Charles R Greathouse IV at Sat Jun 13 00:52:23 EDT 2015

LINKS

<a href="/index/Rec">Index to sequences with entries for linear recurrences with constant coefficients</a>, signature (6,-13,12,-4).

Discussion

Sat Jun 13

00:52

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

#8 by Charles R Greathouse IV at Fri Jun 12 15:26:26 EDT 2015

LINKS

<a href="/index/Rea#recLCCRec">Index to sequences with linear recurrences with constant coefficients</a>, signature (6,-13,12,-4).

Discussion

Fri Jun 12

15:26

OEIS Server: https://oeis.org/edit/global/2436

#7 by Russ Cox at Fri Mar 30 17:25:22 EDT 2012

AUTHOR

_Gary W. Adamson (qntmpkt(AT)yahoo.com), _, Jul 11 2007

Discussion

Fri Mar 30

17:25

OEIS Server: https://oeis.org/edit/global/135

#6 by Bruno Berselli at Sat Sep 24 18:35:37 EDT 2011

STATUS

editing

approved

#5 by Bruno Berselli at Sat Sep 24 18:35:33 EDT 2011

LINKS

<a href="/index/Rea#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (6,-13,12,-4).

FORMULA

G.f. : -x*(-1-2*x+6*x^2) / ( (2*x-1)^2*(x-1)^2 ). - R. J. Mathar, Sep 24 2011

KEYWORD

nonn,easy,changed

STATUS

approved

editing

#4 by R. J. Mathar at Sat Sep 24 17:37:32 EDT 2011

STATUS

proposed

approved

#3 by R. J. Mathar at Sat Sep 24 17:12:46 EDT 2011

STATUS

editing

proposed

#2 by R. J. Mathar at Sat Sep 24 17:12:25 EDT 2011

NAME

Row sums of triangle A131437.

(2+n)*2^n-2-3*n.

DATA

1, 8, 29, 82, 207, 492, 1129, 2534, 5603, 12256, 26589, 57306, 122839, 262100, 557009, 1179598, 2490315, 5242824, 11009989, 23068610, 48234431, 100663228, 209715129, 436207542, 905969587

COMMENTS

Inverse binomial transform of A131438 = A131439: (1, 7, 14, 18, 22, 26, 30,...).

Row sums of triangle A131437.

LINKS

<a href="/index/Rea#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (6,-13,12,-4)

FORMULA

G.f. -x*(-1-2*x+6*x^2) / ( (2*x-1)^2*(x-1)^2 ). - R. J. Mathar, Sep 24 2011

EXTENSIONS

Definition replaced by formula. - R. J. Mathar, Sep 24 2011

STATUS

approved

editing

#1 by N. J. A. Sloane at Sat Nov 10 03:00:00 EST 2007

NAME

Row sums of triangle A131437.

DATA

1, 8, 29, 82, 207, 492, 1129, 2534, 5603, 12256

OFFSET

1,2

COMMENTS

Inverse binomial transform of A131438 = A131439: (1, 7, 14, 18, 22, 26, 30,...).

FORMULA

Binomial transform of A131439.

EXAMPLE

a(3) = 19 = sum of row 3 terms of triangle A131437: (7 + 9 + 13).

CROSSREFS

Cf. A131436, A131437, A131439.

KEYWORD

nonn

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Jul 11 2007

STATUS

approved