login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A071037 Triangle read by rows giving successive states of cellular automaton generated by "Rule 158". 9

%I #30 Jul 27 2023 15:37:15

%S 1,1,1,1,1,1,1,0,1,1,1,1,0,0,1,1,1,1,1,0,1,1,1,0,1,1,1,1,0,0,1,1,0,0,

%T 1,1,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,0,0,1,1,0,0,1,1,0,0,1,1,1,1,1,0,

%U 1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1

%N Triangle read by rows giving successive states of cellular automaton generated by "Rule 158".

%C Row n has length 2n+1.

%H Robert Price, <a href="/A071037/b071037.txt">Table of n, a(n) for n = 0..9999</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Rule158.html">Rule 158</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/ElementaryCellularAutomaton.html">Elementary Cellular Automaton</a>

%H Stephen Wolfram, <a href="http://wolframscience.com/">A New Kind of Science</a>, Wolfram Media, 2002; Chapter 3.

%H <a href="https://oeis.org/wiki/Index_to_Elementary_Cellular_Automata">Index to Elementary Cellular Automata</a>

%H <a href="/index/Ce#cell">Index entries for sequences related to cellular automata</a>

%e 1;

%e 1, 1, 1;

%e 1, 1, 1, 0, 1;

%e 1, 1, 1, 0, 0, 1, 1;

%e 1, 1, 1, 0, 1, 1, 1, 0, 1;

%e ...

%t A071037list[rowmax_]:=MapIndexed[ArrayPad[#1, #2-rowmax-1]&,CellularAutomaton[158,{{1},0},rowmax]];A071037list[10] (* Generates 11 rows *) (* _Paolo Xausa_, Jul 27 2023 *)

%Y Cf. A118171 (rows decimal), A265379 (rows binary), A265381 (central column decimal), A265380 (central column binary).

%K nonn,tabf

%O 0,1

%A _Hans Havermann_, May 26 2002

%E Corrected by _Hans Havermann_, Jan 07 2012

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)