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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A071928 Kolakoski-(2,4) sequence: a(n) is length of n-th run. 4
2, 2, 4, 4, 2, 2, 2, 2, 4, 4, 4, 4, 2, 2, 4, 4, 2, 2, 4, 4, 2, 2, 2, 2, 4, 4, 4, 4, 2, 2, 2, 2, 4, 4, 4, 4, 2, 2, 4, 4, 2, 2, 2, 2, 4, 4, 4, 4, 2, 2, 4, 4, 2, 2, 2, 2, 4, 4, 4, 4, 2, 2, 4, 4, 2, 2, 4, 4, 2, 2, 2, 2, 4, 4, 4, 4, 2, 2, 2, 2, 4, 4, 4, 4, 2, 2, 4, 4, 2, 2, 4, 4, 2, 2, 2, 2, 4, 4, 4, 4, 2, 2, 2, 2, 4 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Michael Baake and Bernd Sing, Kolakoski-(3,1) is a (deformed) model set

B. Sing, Kolakoski-(2m,2n) are limit-periodic model sets.

CROSSREFS

Cf. A000002, A071820, A071907, A064353, A071942.

Sequence in context: A119922 A097860 A098979 * A165207 A130501 A049116

Adjacent sequences:  A071925 A071926 A071927 * A071929 A071930 A071931

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

More terms from Antonio G. Astudillo (afg_astudillo(AT)hotmail.com), Sep 08 2002

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 17 11:46 EST 2012. Contains 206011 sequences.