The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A131736 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A131736

Period 6: repeat [0, 0, 1, -1, -1, 1].
(history; published version)

#20 by Joerg Arndt at Tue Dec 12 09:07:52 EST 2023

STATUS

proposed

approved

#19 by Paolo P. Lava at Tue Dec 12 09:04:22 EST 2023

STATUS

editing

proposed

#18 by Paolo P. Lava at Tue Dec 12 09:04:20 EST 2023

FORMULA

a(n) = (1/6)*((n mod 6) - 2*((n+1) mod 6) + 2*((n+3) mod 6) - ((n+4) mod 6)), with n >= 0. - Paolo P. Lava, Oct 02 2007

STATUS

approved

editing

#17 by Wesley Ivan Hurt at Sat May 02 15:16:15 EDT 2020

STATUS

reviewed

approved

#16 by Michel Marcus at Mon Apr 27 12:37:08 EDT 2020

STATUS

proposed

reviewed

#15 by Wesley Ivan Hurt at Mon Apr 27 00:22:20 EDT 2020

STATUS

editing

proposed

Discussion

Mon Apr 27

12:37

Michel Marcus: you like these Paul Curtz sequences !!!

#14 by Wesley Ivan Hurt at Sun Apr 26 23:54:22 EDT 2020

FORMULA

a(n) = sin(n*Pi/6) * (3*sin(n*Pi/2) - 2*sqrt(3)*cos(n*Pi/6) - 3*sqrt(3)*cos(n*Pi/2)) / 3. - Wesley Ivan Hurt, Apr 26 2020

STATUS

approved

editing

#13 by Bruno Berselli at Mon Jan 16 03:22:46 EST 2017

STATUS

reviewed

approved

#12 by Joerg Arndt at Mon Jan 16 02:53:09 EST 2017

STATUS

proposed

reviewed

#11 by Wesley Ivan Hurt at Sun Jan 15 19:58:32 EST 2017

STATUS

editing

proposed