The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A048492 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A048492

a(n) = ( 8*(2^n) - n^2 - 3*n - 6 )/2.
(history; published version)

#33 by Charles R Greathouse IV at Thu Sep 08 08:44:57 EDT 2022

PROG

(MAGMAMagma) [( 8*(2^n) -n^2 -3*n -6 )/2: n in [0..30]]; // Vincenzo Librandi, Sep 23 2011

Discussion

Thu Sep 08

08:44

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

#32 by Harvey P. Dale at Wed Aug 28 09:08:26 EDT 2019

STATUS

editing

approved

#31 by Harvey P. Dale at Wed Aug 28 09:08:23 EDT 2019

MATHEMATICA

LinearRecurrence[{5, -9, 7, -2}, {1, 3, 8, 20}, 40] (* Harvey P. Dale, Aug 28 2019 *)

STATUS

approved

editing

#30 by Joerg Arndt at Tue Jul 23 09:46:39 EDT 2019

STATUS

proposed

approved

#29 by Alois P. Heinz at Tue Jul 23 08:01:28 EDT 2019

STATUS

editing

proposed

#28 by Alois P. Heinz at Tue Jul 23 08:00:58 EDT 2019

COMMENTS

Conjecture: satisfies a linear recurrence having signature (5, -9, 7, -2). - Harvey P. Dale, Dec 08 2018

STATUS

approved

editing

Discussion

Tue Jul 23

08:01

Alois P. Heinz: bottom of link section has it already ...

#27 by Harvey P. Dale at Sat Dec 08 13:51:28 EST 2018

STATUS

editing

approved

#26 by Harvey P. Dale at Sat Dec 08 13:51:25 EST 2018

COMMENTS

Conjecture: satisfies a linear recurrence having signature (5, -9, 7, -2). - Harvey P. Dale, Dec 08 2018

MATHEMATICA

Table[(8*2^n-n^2-3n-6)/2, {n, 0, 30}]

STATUS

approved

editing

#25 by Charles R Greathouse IV at Sat Jun 13 00:49:59 EDT 2015

LINKS

<a href="/index/Rec#order_04">Index to sequences with entries for linear recurrences with constant coefficients</a>, signature (5,-9,7,-2).

Discussion

Sat Jun 13

00:49

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

#24 by Joerg Arndt at Fri Oct 31 07:25:27 EDT 2014

STATUS

reviewed

approved