The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A153259 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A153259

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

#11 by Charles R Greathouse IV at Tue Oct 18 15:26:41 EDT 2022

STATUS

editing

approved

#10 by Charles R Greathouse IV at Tue Oct 18 15:26:36 EDT 2022

PROG

(PARI) a(n)=n^3-(3*n+9)^2 \\ Charles R Greathouse IV, Oct 18 2022

CROSSREFS

Cf. A045991, A081437, A069778, A153257, A153258.

KEYWORD

sign,easy

STATUS

approved

editing

#9 by Ray Chandler at Fri Jul 31 21:50:45 EDT 2015

STATUS

editing

approved

#8 by Ray Chandler at Fri Jul 31 21:50:41 EDT 2015

LINKS

<a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (4, -6, 4, -1).

STATUS

approved

editing

#7 by Harvey P. Dale at Wed Jul 10 12:59:23 EDT 2013

STATUS

editing

approved

#6 by Harvey P. Dale at Wed Jul 10 12:59:17 EDT 2013

LINKS

Harvey P. Dale, <a href="/A153259/b153259.txt">Table of n, a(n) for n = 1..1000</a>

STATUS

approved

editing

#5 by Harvey P. Dale at Wed Jul 10 12:56:45 EDT 2013

STATUS

editing

approved

#4 by Harvey P. Dale at Wed Jul 10 12:56:40 EDT 2013

FORMULA

a(1)=-81, a(2)=-143, a(3)=-217, a(4)=-297, a(n)=4*a(n-1)-6*a(n-2)+ 4*a(n-3)- a(n-4). - Harvey P. Dale, Jul 10 2013

MATHEMATICA

Table[n^3-(3(n+3))^2, {n, 0, 40}] (* or *) LinearRecurrence[{4, -6, 4, -1}, {-81, -143, -217, -297}, 40] (* Harvey P. Dale, Jul 10 2013 *)

STATUS

approved

editing

#3 by Russ Cox at Sat Mar 31 12:38:18 EDT 2012

AUTHOR

_Vladimir Joseph Stephan Orlovsky (4vladimir(AT)gmail.com), _, Dec 22 2008

Discussion

Sat Mar 31

12:38

OEIS Server: https://oeis.org/edit/global/876

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

KEYWORD

nonn,new

sign