The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A000687 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A000687

Boustrophedon transform (first version) of Fibonacci numbers 0,1,1,2,3,5,...
(history; published version)

#42 by Hugo Pfoertner at Sat May 04 05:31:52 EDT 2024

STATUS

reviewed

approved

#41 by Joerg Arndt at Sat May 04 03:55:39 EDT 2024

STATUS

proposed

reviewed

#40 by Michel Marcus at Sat May 04 03:36:50 EDT 2024

STATUS

editing

proposed

#39 by Michel Marcus at Sat May 04 03:36:47 EDT 2024

EXAMPLE

From - __John Cerkan_, Jan 25 2017: (Start)

#38 by Michel Marcus at Sat May 04 03:36:33 EDT 2024

COMMENTS

The array begins:

................1.................

.............0..->..1.............

..........2..<-.2...<-..1.........

.......1..->.3..->..5...->..6.....

..17..<-.16..<-.13..<-..8...<-.2..

- John Cerkan, Jan 25 2017

EXAMPLE

From - John Cerkan, Jan 25 2017: (Start)

The array begins:

1

0 -> 1

2 <- 2 <- 1

1 -> 3 -> 5 -> 6

17 <- 16 <- 13 <- 8 <- 2 (End)

STATUS

approved

editing

#37 by Michel Marcus at Wed Feb 17 07:35:39 EST 2021

STATUS

reviewed

approved

#36 by Joerg Arndt at Wed Feb 17 07:03:33 EST 2021

STATUS

proposed

reviewed

#35 by Petros Hadjicostas at Wed Feb 17 06:56:01 EST 2021

STATUS

editing

proposed

#34 by Petros Hadjicostas at Wed Feb 17 06:55:46 EST 2021

LINKS

J. Millar, N. J. A. Sloane and N. E. Young, A new operation on sequences: the Boustrophedon on transform, J. Combin. Theory, 17A (1996) 44-54 1996 (<a href="http://neilsloane.com/doc/bous.txt">Abstract</a>, <a href="http://neilsloane.com/doc/bous.pdf">pdf</a>, <a href="http://neilsloane.com/doc/bous.ps">ps</a>).

AUTHOR

N. J. A. Sloane, _ and _Simon Plouffe_

STATUS

approved

editing

#33 by Bruno Berselli at Tue Feb 16 04:08:29 EST 2021

STATUS

reviewed

approved