The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A130772 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A130772

Periodic sequence with period 2 2 0 -2 -2 0.
(history; published version)

#28 by Joerg Arndt at Tue Dec 12 09:29:41 EST 2023

STATUS

editing

approved

#27 by Joerg Arndt at Tue Dec 12 09:29:39 EST 2023

FORMULA

a(n) = -(1/3)*{(n mod 6)+[(n+1) mod 6]-[(n+3) mod 6]-[(n+4) mod 6]}, with n>=0. - Paolo P. Lava, Jul 18 2007

STATUS

approved

editing

#26 by Charles R Greathouse IV at Thu Sep 08 08:45:30 EDT 2022

PROG

(MAGMAMagma) I:=[2, 2]; [n le 2 select I[n] else Self(n-1) - Self(n-2): n in [1..30]]; // G. C. Greubel, Aug 04 2018

Discussion

Thu Sep 08

08:45

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

#25 by Michel Marcus at Sat Aug 04 03:12:21 EDT 2018

STATUS

reviewed

approved

#24 by Joerg Arndt at Sat Aug 04 03:04:30 EDT 2018

STATUS

proposed

reviewed

#23 by G. C. Greubel at Sat Aug 04 02:59:18 EDT 2018

STATUS

editing

proposed

#22 by G. C. Greubel at Sat Aug 04 02:58:54 EDT 2018

LINKS

G. C. Greubel, <a href="/indexA130772/Recb130772.txt">Index entries Table of n, a(n) for linear recurrences with constant coefficientsn = 0..2500</a>, signature (1,-1).

<a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (1,-1).

PROG

(MAGMA) I:=[2, 2]; [n le 2 select I[n] else Self(n-1) - Self(n-2): n in [1..30]]; // G. C. Greubel, Aug 04 2018

STATUS

approved

editing

#21 by Michael Somos at Tue Sep 01 20:33:57 EDT 2015

STATUS

editing

approved

#20 by Michael Somos at Tue Sep 01 20:33:47 EDT 2015

CROSSREFS

Cf. A010892, A109265, A184344, A184334, A257076.

STATUS

approved

editing

Discussion

Tue Sep 01

20:33

Michael Somos: Really fixed typo!

#19 by Michael Somos at Tue Sep 01 20:32:32 EDT 2015

STATUS

editing

approved