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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A074290 Difference between Kolakoski(n)=A000002(n) and 1 (n odd) or 2 (n even). 2
0, 0, 1, -1, 0, 0, 0, 0, 1, -1, 1, 0, 0, -1, 1, -1, 0, 0, 1, -1, 1, -1, 0, 0, 0, 0, 1, -1, 0, 0, 0, -1, 1, -1, 1, 0, 0, 0, 1, -1, 0, 0, 0, 0, 1, -1, 1, -1, 0, 0, 0, -1, 1, 0, 0, 0, 1, -1, 0, 0, 0, 0, 1, -1, 1, 0, 0, -1, 1, -1, 0, 0, 0, 0, 1, -1, 1, -1, 0, 0, 1 (list; graph; refs; listen; history; internal format)
OFFSET

1

LINKS

Nathaniel Johnston, Table of n, a(n) for n = 1..10000

EXAMPLE

Kolakoski (A000002): 1,2,2,1,1,2,1,2,... Subtracting 1,2,1,2,1,2,1,2,... we get 0,0,1,-1,0,0,0,0,...

CROSSREFS

Cf. A074291.

Sequence in context: A189640 A189820 A188037 * A188257 A189078 A173950

Adjacent sequences:  A074287 A074288 A074289 * A074291 A074292 A074293

KEYWORD

sign,easy

AUTHOR

Jon Perry (perry(AT)globalnet.co.uk), Sep 21 2002

EXTENSIONS

Offset corrected by Nathaniel Johnston (nathaniel(AT)nathanieljohnston.com), May 02 2011

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 16 06:27 EST 2012. Contains 205860 sequences.