login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A280048 The Tower of Hanoi word, with a,b,c,a-bar,b-bar,c-bar encoded as 1,2,3,-1,-2,-3 respectively. 1
1, -3, 2, 1, 3, -2, 1, -3, 2, -1, 3, 2, 1, -3, 2, 1, 3, -2, 1, 3, 2, -1, 3, -2, 1, -3, 2, 1, 3, -2, 1, -3, 2, -1, 3, 2, 1, -3, 2, -1, 3, -2, 1, 3, 2, -1, 3, 2, 1, -3, 2, 1, 3, -2, 1, -3, 2, -1, 3, 2, 1, -3, 2, 1, 3, -2, 1, 3, 2, -1, 3, -2, 1, -3, 2, 1, 3, -2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Writing A,B,C for a-bar,b-bar,c-bar, respectively, the word is aCbacBaCbAcbaCbacBacbAcBaCbacBaCbAcbaCbAcBacbAcbaCbacBaCbAcbaCbacBacbAcBaCbacB...

LINKS

Lars Blomberg, Table of n, a(n) for n = 0..10000

J. Berstel et al., Combinatorics on Words: Christoffel Words and Repetitions in Words, AMS, 2009; see Definition 2.29, page 92.

CROSSREFS

Sequence in context: A070309 A287556 A236966 * A119910 A130784 A138034

Adjacent sequences:  A280045 A280046 A280047 * A280049 A280050 A280051

KEYWORD

sign

AUTHOR

N. J. A. Sloane, Dec 31 2016

EXTENSIONS

More terms from Lars Blomberg, Jan 09 2017

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 16 05:43 EDT 2019. Contains 328044 sequences. (Running on oeis4.)