Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A118175
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A118175 Binary representation of n-th iteration of the Rule 220 elementary cellular automaton starting with a single black cell. +0
1
1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 (list; graph; listen)
OFFSET

0,1

COMMENT

Contribution from Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Jul 05 2009: (Start)

Divided into rows of length 2n, row n consists of n 1's followed by n 0's.

Characteristic function of A061885, 1-based characteristic function of A004201. (End)

LINKS

Eric Weisstein's World of Mathematics, Rule 220

Eric Weisstein's World of Mathematics, Elementary Cellular Automaton

EXAMPLE

1; 0, 1, 1; 0, 0, 1, 1, 1; 0, 0, 0, 1, 1, 1, 1; 0, 0, 0, 0, 1, 1, 1, 1, 1; ...

CROSSREFS

Cf. A083420.

Sequence in context: A137893 A108882 A070829 this_sequence A120526 A086694 A093317

Adjacent sequences: A118172 A118173 A118174 this_sequence A118176 A118177 A118178

KEYWORD

nonn,tabf

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Apr 13, 2006

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


AT&T Labs Research